diff --git a/.gitignore b/.gitignore
index 7f7a1c453..b8b12bc11 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,18 +1,16 @@
 .venv/*
-openslides/.venv/
 *.pyc
 *.swp
-openslides/settings.py
-database.db
 *~
-extras/website/*
-extras/website-old/*
+settings.py
+database.sqlite
+
+# Package building
 docs/_build/*
 *.egg-info
 build/*
 dist/*
 .DS_Store
-settings.py
 versiontools*
 
 # Unit test / coverage reports
diff --git a/.travis.yml b/.travis.yml
index f91d92918..ade84bd88 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,9 +1,9 @@
 language: python
 python:
-  - "2.5"
   - "2.6"
   - "2.7"
 install:
+  - easy_install https://www.djangoproject.com/download/1.5b2/tarball/
   - pip install -r requirements.txt --use-mirrors
   - python extras/scripts/create_local_settings.py
 script:
diff --git a/INSTALL.txt b/INSTALL.txt
index f57e7f00e..739431350 100644
--- a/INSTALL.txt
+++ b/INSTALL.txt
@@ -18,7 +18,7 @@ I. Installation on GNU/Linux and MacOSX using the Python Package Index (PyPI)
   1. Check requirements:
 
         Make sure that you have installed Python Programming Language 2
-        (>= 2.5) on your system.
+        (>= 2.6) on your system.
 
   2. Setup a virtual environment with virtualenv (optional):
 
@@ -65,7 +65,7 @@ II. Installation on GNU/Linux and MacOSX using the sources
 
         OpenSlides requires following programs, which should be
         installed first:
-          + Python Programming Language 2 (>= 2.5)
+          + Python Programming Language 2 (>= 2.6)
           + virtualenv (>= 1.4.1)
           + ReportLab Toolkit
           + Python Imaging Library (PIL)
@@ -141,7 +141,7 @@ portable version you should run the following install steps.
 
         The OpenSlides install requires following programs, which should be
         installed first:
-          + Python Programming Language 2 (>= 2.5)
+          + Python Programming Language 2 (>= 2.6)
           + Setuptools
 
      a) Download and run 32bit MSI installer from http://www.python.org/:
diff --git a/openslides/__init__.py b/openslides/__init__.py
index 7cd9d7464..dcf78b46d 100644
--- a/openslides/__init__.py
+++ b/openslides/__init__.py
@@ -5,7 +5,7 @@
     :license: GNU GPL, see LICENSE for more details.
 """
 
-VERSION = (1, 4, 0, 'alpha', 0)  # During development it is the next release
+VERSION = (1, 4, 0, 'alpha', 1)  # During development it is the next release
 RELEASE = False
 
 
diff --git a/openslides/agenda/templates/agenda/config.html b/openslides/agenda/templates/agenda/config.html
index 4c2a85804..db29bde09 100644
--- a/openslides/agenda/templates/agenda/config.html
+++ b/openslides/agenda/templates/agenda/config.html
@@ -14,8 +14,8 @@
     <button class="button" type="submit">
         <span class="icon ok">{% trans 'Save' %}</span>
     </button>
-    <a href='{% url config_agenda %}'>
-    <button class="button" type="button" onclick="window.location='{% url config_agenda %}'">
+    <a href="{% url 'config_agenda' %}">
+    <button class="button" type="button" onclick="window.location='{% url 'config_agenda' %}'">
         <span class="icon cancel">{% trans 'Cancel' %}</span>
     </button>
     </a>
diff --git a/openslides/agenda/templates/agenda/edit.html b/openslides/agenda/templates/agenda/edit.html
index 2291fbc2a..e022f59ac 100644
--- a/openslides/agenda/templates/agenda/edit.html
+++ b/openslides/agenda/templates/agenda/edit.html
@@ -19,7 +19,7 @@
             {% trans "New item" %}
         {% endif %}
         <small class="pull-right">
-        <a href="{% url item_overview %}" class="btn btn-mini"><i class="icon-chevron-left"></i> {% trans "Back to overview" %}</a>
+        <a href="{% url 'item_overview' %}" class="btn btn-mini"><i class="icon-chevron-left"></i> {% trans "Back to overview" %}</a>
         </small>
     </h1>
     <form action="" method="post">{% csrf_token %}
@@ -42,8 +42,8 @@
             <button class="btn" type="submit" name="apply">
                 {% trans 'Apply' %}
             </button>
-            <a href='{% url item_overview %}'>
-            <button class="btn" type="button" onclick="window.location='{% url item_overview %}'">
+            <a href='{% url 'item_overview' %}'>
+            <button class="btn" type="button" onclick="window.location='{% url 'item_overview' %}'">
                 {% trans 'Cancel' %}</span>
             </button>
             </a>
diff --git a/openslides/agenda/templates/agenda/item_row.html b/openslides/agenda/templates/agenda/item_row.html
index 4846b62e5..d8bfc5114 100644
--- a/openslides/agenda/templates/agenda/item_row.html
+++ b/openslides/agenda/templates/agenda/item_row.html
@@ -5,7 +5,7 @@
     <td>
         <span class="close_link{% if item.closed %} closed{% endif %}">
             {% if perms.agenda.can_manage_agenda %}
-               <a href="{% if item.closed %}{% url item_open item.id %}{% else %}{% url item_close item.id %}{% endif %}" title="{% trans 'Mark item as done' %}">
+               <a href="{% if item.closed %}{% url 'item_open' item.id %}{% else %}{% url 'item_close' item.id %}{% endif %}" title="{% trans 'Mark item as done' %}">
                     <span></span>
                 </a>
             {% elif item.closed %}
@@ -32,7 +32,7 @@
     <td>
         <span style="width: 1px; white-space: nowrap;">
         {% if perms.projector.can_manage_projector %}
-            <a class="activate_link {% if item.active %}active{% endif %}" href="{% url projector_activate_slide item.sid %}" title="{% trans 'Activate item' %}">
+            <a class="activate_link {% if item.active %}active{% endif %}" href="{% url 'projector_activate_slide' item.sid %}" title="{% trans 'Activate item' %}">
                 <span></span>
             </a>
         {% endif %}
@@ -40,7 +40,7 @@
             <a href="{% model_url item 'edit' %}"><img src="{% static 'images/icons/edit.png' %}" title="{% trans 'Edit item' %}"></a>
             <a href="{% model_url item 'delete' %}"><img src="{% static 'images/icons/delete.png' %}" title="{% trans 'Delete item' %}"></a>
             {% if not item.is_leaf_node %}
-                <a class="activate_link" href="{% url projector_activate_slide item.sid 'summary' %}">
+                <a class="activate_link" href="{% url 'projector_activate_slide' item.sid 'summary' %}">
                     <img src="{% static 'images/icons/summary.png' %}" title="{% trans 'Activate summary for this item' %}">
                 </a>
             {% endif %}
diff --git a/openslides/agenda/templates/agenda/overview.html b/openslides/agenda/templates/agenda/overview.html
index ed8f6f8e6..af86c2276 100644
--- a/openslides/agenda/templates/agenda/overview.html
+++ b/openslides/agenda/templates/agenda/overview.html
@@ -48,7 +48,7 @@
            <p>{% trans "Do you want to save the changed order of agenda items?" %}</p>
            <p>
                <button class="btn" type="submit">{% trans 'Yes' %}</button>
-               <a href="{% url item_overview %}" class="btn">{% trans 'No' %}</a>
+               <a href="{% url 'item_overview' %}" class="btn">{% trans 'No' %}</a>
             </p>
        </div>
        {% endif %}
@@ -56,9 +56,9 @@
         <h1>{% trans "Agenda" %} 
             <small class="pull-right">
             {% if perms.agenda.can_manage_agenda %}
-            <a href="{% url item_new %}" class="btn btn-mini" rel="tooltip" data-original-title="{% trans 'New item' %}"><i class="icon-plus"></i> {% trans "New" %}</a>
+            <a href="{% url 'item_new' %}" class="btn btn-mini" rel="tooltip" data-original-title="{% trans 'New item' %}"><i class="icon-plus"></i> {% trans "New" %}</a>
             {% endif %}
-            <a href="{% url print_agenda %}" class="btn btn-mini" rel="tooltip" data-original-title="{% trans 'Print agenda as PDF' %}"><i class="icon-print"></i> PDF</a>
+            <a href="{% url 'print_agenda' %}" class="btn btn-mini" rel="tooltip" data-original-title="{% trans 'Print agenda as PDF' %}"><i class="icon-print"></i> PDF</a>
             </small>
         </h1>
 
@@ -95,7 +95,7 @@
                 <td>
                 {% if perms.projector.can_manage_projector %}
                     <span>
-                        <a class="activate_link{% if active_sid == 'agenda' %} active{% endif %}" href="{% url projector_activate_slide 'agenda' %}" title="{% trans 'Activate item' %}">
+                        <a class="activate_link{% if active_sid == 'agenda' %} active{% endif %}" href="{% url 'projector_activate_slide' 'agenda' %}" title="{% trans 'Activate item' %}">
                             <span></span>
                         </a>
                     </span>
diff --git a/openslides/agenda/templates/agenda/widget.html b/openslides/agenda/templates/agenda/widget.html
index e638756b8..b1dc4bdd2 100644
--- a/openslides/agenda/templates/agenda/widget.html
+++ b/openslides/agenda/templates/agenda/widget.html
@@ -4,10 +4,10 @@
 
 <ul style="line-height: 180%">
     <li class="{% if agenda.active %}activeline{% endif %}">
-        <a href="{% url projector_activate_slide agenda.key %}" class="activate_link {% if agenda.active %}active{% endif %}">
+        <a href="{% url 'projector_activate_slide' agenda.key %}" class="activate_link {% if agenda.active %}active{% endif %}">
             <div></div>
         </a>
-        <a href="{% url projctor_preview_slide agenda.key %}" title="{% trans 'Preview' %}" class="icon preview right">
+        <a href="{% url 'projctor_preview_slide' agenda.key %}" title="{% trans 'Preview' %}" class="icon preview right">
             <span></span>
         </a>
         {{ agenda.name }}
@@ -17,7 +17,7 @@
 <ul style="line-height: 180%">
 {% for item in items %}
     <li class="{% if item.active %}activeline{% endif %}">
-        <a href="{% url projector_activate_slide item.sid %}" class="activate_link {% if item.active %}active{% endif %}">
+        <a href="{% url 'projector_activate_slide' item.sid %}" class="activate_link {% if item.active %}active{% endif %}">
             <div></div>
         </a>
         <a href="{% model_url item 'delete' %}" title="{% trans 'Delete' %}" class="icon delete right">
@@ -26,11 +26,11 @@
         <a href="{% model_url item 'edit' %}" title="{% trans 'Edit' %}" class="icon edit right">
             <span></span>
         </a>
-        <a href="{% url projctor_preview_slide item.sid %}" title="{% trans 'Preview' %}" class="icon preview right">
+        <a href="{% url 'projctor_preview_slide' item.sid %}" title="{% trans 'Preview' %}" class="icon preview right">
             <span></span>
         </a>
         {% if not item.is_leaf_node %}
-        <a class="activate_link right" href="{% url projector_activate_slide item.sid 'summary' %}">
+        <a class="activate_link right" href="{% url 'projector_activate_slide' item.sid 'summary' %}">
             <img src="{% static 'images/icons/summary.png' %}"
                 title="{% trans 'Activate summary for this item' %}"
                 style="padding-right: 2px;">
diff --git a/openslides/assignment/templates/assignment/config.html b/openslides/assignment/templates/assignment/config.html
index b2feb2412..4468d33c9 100644
--- a/openslides/assignment/templates/assignment/config.html
+++ b/openslides/assignment/templates/assignment/config.html
@@ -14,8 +14,8 @@
     <button class="button" type="submit">
         <span class="icon ok">{% trans 'Save' %}</span>
     </button>
-    <a href='{% url config_assignment %}'>
-    <button class="button" type="button" onclick="window.location='{% url config_assignment %}'">
+    <a href="{% url 'config_assignment' %}">
+    <button class="button" type="button" onclick="window.location='{% url 'config_assignment' %}'">
         <span class="icon cancel">{% trans 'Cancel' %}</span>
     </button>
     </a>
diff --git a/openslides/assignment/templates/assignment/edit.html b/openslides/assignment/templates/assignment/edit.html
index 4d14a7dad..e5f56e87f 100644
--- a/openslides/assignment/templates/assignment/edit.html
+++ b/openslides/assignment/templates/assignment/edit.html
@@ -19,7 +19,7 @@
             {% trans "New election" %}
         {% endif %}
         <small class="pull-right">
-        <a href="{% url assignment_overview %}" class="btn btn-mini"><i class="icon-chevron-left"></i> {% trans "Back to overview" %}</a>
+        <a href="{% url 'assignment_overview' %}" class="btn btn-mini"><i class="icon-chevron-left"></i> {% trans "Back to overview" %}</a>
         </small>
     </h1>
 
@@ -27,7 +27,7 @@
         {% include "form.html" %}
         <p>
         {% include "formbuttons_saveapply.html" %}
-        <a href='{% url assignment_overview %}' class="btn">
+        <a href='{% url 'assignment_overview' %}' class="btn">
             {% trans 'Cancel' %}
         </a>
         </p>
diff --git a/openslides/assignment/templates/assignment/overview.html b/openslides/assignment/templates/assignment/overview.html
index ac884f08a..2f58ebeca 100644
--- a/openslides/assignment/templates/assignment/overview.html
+++ b/openslides/assignment/templates/assignment/overview.html
@@ -10,10 +10,10 @@
     <h1>{% trans "Elections" %}
         <small class="pull-right">
         {% if perms.assignment.can_manage_assignment %}
-            <a href="{% url assignment_new %}" class="btn btn-mini" rel="tooltip" data-original-title="{% trans 'New election' %}"><i class="icon-plus"></i> {% trans "New" %}</a>
+            <a href="{% url 'assignment_new' %}" class="btn btn-mini" rel="tooltip" data-original-title="{% trans 'New election' %}"><i class="icon-plus"></i> {% trans "New" %}</a>
         {% endif %}
         {% if perms.assignment.can_see_assignment %}
-            <a href="{% url print_assignment %}" class="btn btn-mini" rel="tooltip" data-original-title="{% trans 'Print all elections as PDF' %}"><i class="icon-print"></i> PDF</a>
+            <a href="{% url 'print_assignment' %}" class="btn btn-mini" rel="tooltip" data-original-title="{% trans 'Print all elections as PDF' %}"><i class="icon-print"></i> PDF</a>
         {% endif %}
         </small>
     </h1>
@@ -41,7 +41,7 @@
     {% for assignment in assignments %}
         <tr class="{% cycle '' 'odd' %}
             {% if assignment.active %}activeline{% endif %}">
-            <td><a href="{% url assignment_view assignment.id %}">{{ assignment }}</a></td>
+            <td><a href="{% url 'assignment_view' assignment.id %}">{{ assignment }}</a></td>
             <td>
                 {% blocktrans with posts=assignment.posts context "Number of searched candidates for an election"%}posts: {{ posts }}{% endblocktrans %}
                 {% if assignment.status != 'fin' %}
@@ -53,15 +53,15 @@
             <td>
                 <span style="width: 1px; white-space: nowrap;">
                 {% if perms.projector.can_manage_projector %}
-                    <a class="activate_link {% if assignment.active %}active{% endif %}" href="{% url projector_activate_slide assignment.sid %}" title="{% trans 'Activate election' %}">
+                    <a class="activate_link {% if assignment.active %}active{% endif %}" href="{% url 'projector_activate_slide' assignment.sid %}" title="{% trans 'Activate election' %}">
                         <span></span>
                     </a>
                 {% endif %}
                 {% if perms.assignment.can_manage_assignment %}
-                    <a href="{% url assignment_edit assignment.id %}"><img src="{% static 'images/icons/edit.png' %}" title="{% trans 'Edit election' %}"></a>
-                    <a href="{% url assignment_delete assignment.id %}"><img src="{% static 'images/icons/delete.png' %}" title="{% trans 'Delete election' %}"></a>
+                    <a href="{% url 'assignment_edit' assignment.id %}"><img src="{% static 'images/icons/edit.png' %}" title="{% trans 'Edit election' %}"></a>
+                    <a href="{% url 'assignment_delete' assignment.id %}"><img src="{% static 'images/icons/delete.png' %}" title="{% trans 'Delete election' %}"></a>
                 {% endif %}
-                <a href="{% url print_assignment assignment.id %}" title="{% trans 'Election as PDF' %}"><img src="{% static 'images/icons/pdf.png' %}"></a>
+                <a href="{% url 'print_assignment' assignment.id %}" title="{% trans 'Election as PDF' %}"><img src="{% static 'images/icons/pdf.png' %}"></a>
                 </span>
             </td>
         </tr>
diff --git a/openslides/assignment/templates/assignment/poll_view.html b/openslides/assignment/templates/assignment/poll_view.html
index b036815fa..dea08982f 100644
--- a/openslides/assignment/templates/assignment/poll_view.html
+++ b/openslides/assignment/templates/assignment/poll_view.html
@@ -54,8 +54,8 @@
     </table>
 
     <p>
-    <a href='{% url print_assignment_poll poll.id %}'>
-    <button class="button" type="button" onclick="window.location='{% url print_assignment_poll poll.id %}'">
+    <a href="{% url 'print_assignment_poll' poll.id %}">
+    <button class="button" type="button" onclick="window.location='{% url 'print_assignment_poll' poll.id %}'">
         <span class="icon pdf">{% trans 'Ballot paper as PDF' %}</span>
     </button>
     </a>
@@ -68,8 +68,8 @@
     <button class="button" type="submit" name="apply">
         <span class="icon apply">{% trans 'Apply' %}</span>
     </button>
-    <a href='{% url assignment_view poll.assignment.id %}'>
-    <button class="button" type="button" onclick="window.location='{% url assignment_view poll.assignment.id %}'">
+    <a href="{% url 'assignment_view' poll.assignment.id %}">
+    <button class="button" type="button" onclick="window.location='{% url 'assignment_view' poll.assignment.id %}'">
         <span class="icon cancel">{% trans 'Cancel' %}</span>
     </button>
     </a>
diff --git a/openslides/assignment/templates/assignment/view.html b/openslides/assignment/templates/assignment/view.html
index 0829675f5..bab75395b 100644
--- a/openslides/assignment/templates/assignment/view.html
+++ b/openslides/assignment/templates/assignment/view.html
@@ -16,9 +16,9 @@
 {% block content %}
     <h1>{{ assignment }}
         <small class="pull-right">
-        <a href="{% url assignment_overview %}" class="btn btn-mini"><i class="icon-chevron-left"></i> {% trans "Back to overview" %}</a>
+        <a href="{% url 'assignment_overview' %}" class="btn btn-mini"><i class="icon-chevron-left"></i> {% trans "Back to overview" %}</a>
         {% if perms.projector.can_manage_projector %}
-            <a href="{% url projector_activate_slide assignment.sid  %}" class="btn btn-primary btn-mini" title="{% trans 'Show election' %}"><i class="icon-facetime-video icon-white"></i></a>
+            <a href="{% url 'projector_activate_slide' assignment.sid  %}" class="btn btn-primary btn-mini" title="{% trans 'Show election' %}"><i class="icon-facetime-video icon-white"></i></a>
         {% endif %}
         </small>
     </h1>
@@ -43,14 +43,14 @@
             {{ person }}
             {% if perms.assignment.can_manage_assignment %}
                 {% if assignment.status == "sea" or assignment.status == "vot" %}
-                    <a href="{% url assignment_delother assignment.id person.person_id %}" class="btn btn-mini" rel="tooltip" data-original-title="{% trans 'Remove candidate' %}"><i class="icon-remove"></i></a>
+                    <a href="{% url 'assignment_delother' assignment.id person.person_id %}" class="btn btn-mini" rel="tooltip" data-original-title="{% trans 'Remove candidate' %}"><i class="icon-remove"></i></a>
                 {% endif %}
             {% endif %}
             {% if person in assignment.elected %}
                 | <b>{% trans "elected" %}</b>
                 {% if perms.assignment.can_manage_assignment %}
                     {% if assignment.status == "sea" or assignment.status == "vot" %}
-                        <a href="{% url assignment_user_not_elected assignment.id person.person_id %}"><img src="{% static 'images/icons/dialog-cancel.png' %}" title="{% trans 'Mark candidate as not elected' %}"></a>
+                        <a href="{% url 'assignment_user_not_elected' assignment.id person.person_id %}"><img src="{% static 'images/icons/dialog-cancel.png' %}" title="{% trans 'Mark candidate as not elected' %}"></a>
                     {% endif %}
                 {% endif %}
             {% endif %}
@@ -65,11 +65,11 @@
         {% if perms.assignment.can_nominate_self %}
             <p>
             {% if user_is_candidate %}
-                <a href='{% url assignment_delrun assignment.id %}' class="btn btn-mini">
+                <a href='{% url 'assignment_delrun' assignment.id %}' class="btn btn-mini">
                     <i class="icon-remove"></i> {% trans 'Withdraw self candidature' %}
                 </a>
             {% else %}
-                <a href='{% url assignment_run assignment.id %}' class="btn btn-mini">
+                <a href='{% url 'assignment_run' assignment.id %}' class="btn btn-mini">
                     <i class="icon-plus"></i> {% trans 'Self candidature' %}
                 </a>
             {% endif %}
@@ -82,12 +82,11 @@
                     {{ field }}
                     <button class="btn btn-primary" type="submit">{% trans 'Apply' %}</button>
                     {% if perms.participant.can_see_participant and perms.participant.can_manage_participant %}
-                        <a href="{% url user_new %}" target="_blank" class="btn"><img src="{% static 'images/icons/add-user.png' %}" title="{% trans 'Add new participant' %}"></a>
+                        <a href="{% url 'user_new' %}" target="_blank" class="btn"><img src="{% static 'images/icons/add-user.png' %}" title="{% trans 'Add new participant' %}"></a>
                     {% endif %}
                 </div>
             {% endfor %}
             <p>
-  
             </p>
         {% endif %}
     </form>
@@ -100,7 +99,7 @@
     <ul>
     {% for person in blocked_candidates %}
         <li>
-            {{ person }}<a href="{% url assignment_delother assignment.id person.person_id %}"><img src="{% static 'images/icons/delete.png' %}" title="{% trans 'Remove candidate' %}"></a>
+            {{ person }}<a href="{% url 'assignment_delother' assignment.id person.person_id %}"><img src="{% static 'images/icons/delete.png' %}" title="{% trans 'Remove candidate' %}"></a>
         </li>
     {% empty %}
         <li>{% trans "No blocked candidates available." %}</li>
@@ -130,18 +129,18 @@
                     {% if perms.assignment.can_manage_assignment %}
                         <br>
                         <a class="publish_link {% if poll.published %}published{% endif %}"
-                        href="{% url assignment_poll_publish_status poll.id %}"
+                        href="{% url 'assignment_poll_publish_status' poll.id %}"
                         title="{% trans 'Publish/unpublish results' %}">
                         <span></span>
                         </a>
-                        <a href="{% url assignment_poll_view poll.id %}" class="btn btn-mini" title="{% trans 'Edit' %}"><i class="icon-pencil"></i></a>
-                        <a href="{% url assignment_poll_delete poll.id %}" class="btn btn-mini" title="{% trans 'Delete' %}"><i class="icon-remove"></i></a>
+                        <a href="{% url 'assignment_poll_view' poll.id %}" class="btn btn-mini" title="{% trans 'Edit' %}"><i class="icon-pencil"></i></a>
+                        <a href="{% url 'assignment_poll_delete' poll.id %}" class="btn btn-mini" title="{% trans 'Delete' %}"><i class="icon-remove"></i></a>
                     {% endif %}
                 </th>
             {% endfor %}
             {% if assignment.candidates and perms.assignment.can_manage_assignment and assignment.status == "vot" %}
                 <th class="span1 nobr">
-                    <a href='{% url assignment_gen_poll assignment.id %}' class="btn btn-mini">
+                    <a href="{% url 'assignment_gen_poll' assignment.id %}" class="btn btn-mini">
                        <i class="icon-plus"></i> {% trans 'New ballot' %}
                     </a>
                 </th>
@@ -152,7 +151,7 @@
             <td>
                 {% if candidate in assignment.elected %}
                     {% if perms.assignment.can_manage_assignment %}
-                        <a class="election_link elected" href='{% url assignment_user_not_elected assignment.id candidate.person_id %}'></a>
+                        <a class="election_link elected" href="{% url 'assignment_user_not_elected assignment.id' candidate.person_id %}"></a>
                     {% else %}
                         <a class="elected">
                             <img src="{% static 'images/icons/voting-yes.png' %}" title="{% trans 'Candidate is elected' %}">
@@ -160,7 +159,7 @@
                     {% endif %}
                 {% else %}
                     {% if perms.assignment.can_manage_assignment %}
-                        <a class="election_link" href='{% url assignment_user_elected assignment.id candidate.person_id %}'></a>
+                        <a class="election_link" href="{% url 'assignment_user_elected' assignment.id candidate.person_id %}"></a>
                     {% endif %}
                 {% endif %}
                 {{ candidate }}
@@ -222,7 +221,7 @@
         <i>{% trans "No ballots available." %}</i>
         {% if assignment.candidates and perms.assignment.can_manage_assignment and assignment.status == "vot" %}
             <p>
-            <a href='{% url assignment_gen_poll assignment.id %}' class="btn">
+            <a href='{% url 'assignment_gen_poll' assignment.id %}' class="btn">
                <i class="icon-plus"></i> {% trans 'New ballot' %}
             </a>
             </p>
@@ -244,15 +243,15 @@
     <div class="well">
         <h4>{% trans "Change status" %}:</h4>
         <label class="radio">
-            <input type="radio" name="status" onclick="window.location.href='{% url assignment_set_status assignment.id 'sea' %}';"
+            <input type="radio" name="status" onclick="window.location.href='{% url 'assignment_set_status' assignment.id 'sea' %}';"
                 {% if 'sea' in assignment.status %}checked{% endif %}>{% trans 'Searching for candidates' %}
         </label>
         <label class="radio">
-            <input type="radio" name="status" onclick="window.location.href='{% url assignment_set_status assignment.id 'vot' %}';"
+            <input type="radio" name="status" onclick="window.location.href='{% url 'assignment_set_status' assignment.id 'vot' %}';"
                 {% if 'vot' in assignment.status %}checked{% endif %}>{% trans 'Voting' %}<br>
         </label>
         <label class="radio">
-            <input type="radio" name="status" onclick="window.location.href='{% url assignment_set_status assignment.id 'fin' %}';"
+            <input type="radio" name="status" onclick="window.location.href='{% url 'assignment_set_status' assignment.id 'fin' %}';"
                 {% if 'fin' in assignment.status %}checked{% endif %}>{% trans 'Finished' %}
         </label>
     </div> <!--/well-->
diff --git a/openslides/assignment/templates/assignment/widget.html b/openslides/assignment/templates/assignment/widget.html
index fa4abd55f..985db4e20 100644
--- a/openslides/assignment/templates/assignment/widget.html
+++ b/openslides/assignment/templates/assignment/widget.html
@@ -5,7 +5,7 @@
 <ul style="line-height: 180%">
 {% for assignment in assignments %}
     <li class="{% if assignment.active %}activeline{% endif %}">
-        <a href="{% url projector_activate_slide assignment.sid %}" class="activate_link {% if assignment.active %}active{% endif %}">
+        <a href="{% url 'projector_activate_slide' assignment.sid %}" class="activate_link {% if assignment.active %}active{% endif %}">
             <div></div>
         </a>
         <a href="{% model_url assignment 'delete' %}" title="{% trans 'Delete' %}" class="icon delete right">
@@ -14,7 +14,7 @@
         <a href="{% model_url assignment 'edit' %}" title="{% trans 'Edit' %}" class="icon edit right">
             <span></span>
         </a>
-        <a href="{% url projctor_preview_slide assignment.sid %}" title="{% trans 'Preview' %}" class="icon preview right">
+        <a href="{% url 'projctor_preview_slide' assignment.sid %}" title="{% trans 'Preview' %}" class="icon preview right">
             <span></span>
         </a>
         <a href="{% model_url assignment 'view' %}">{{ assignment }}</a>
diff --git a/openslides/config/templates/config/general.html b/openslides/config/templates/config/general.html
index 904913a28..b77bf75dc 100644
--- a/openslides/config/templates/config/general.html
+++ b/openslides/config/templates/config/general.html
@@ -57,8 +57,8 @@
     <button class="button" type="submit">
         <span class="icon ok">{% trans 'Save' %}</span>
     </button>
-    <a href='{% url config_general %}'>
-    <button class="button" type="button" onclick="window.location='{% url config_general %}'">
+    <a href="{% url 'config_general' %}">
+    <button class="button" type="button" onclick="window.location='{% url 'config_general' %}'">
         <span class="icon cancel">{% trans 'Cancel' %}</span>
     </button>
     </a>
diff --git a/openslides/global_settings.py b/openslides/global_settings.py
index adb51aea7..94f900059 100644
--- a/openslides/global_settings.py
+++ b/openslides/global_settings.py
@@ -88,12 +88,12 @@ TEMPLATE_LOADERS = (
 )
 
 MIDDLEWARE_CLASSES = (
-    'django.middleware.common.CommonMiddleware',
     'django.contrib.sessions.middleware.SessionMiddleware',
+    'django.middleware.locale.LocaleMiddleware',
+    'django.middleware.common.CommonMiddleware',
     'django.middleware.csrf.CsrfViewMiddleware',
     'openslides.participant.middleware.AuthenticationMiddleware',
     'django.contrib.messages.middleware.MessageMiddleware',
-    'django.middleware.locale.LocaleMiddleware',
 )
 
 ROOT_URLCONF = 'openslides.urls'
diff --git a/openslides/main.py b/openslides/main.py
index bc23fb3bd..d25305a4d 100755
--- a/openslides/main.py
+++ b/openslides/main.py
@@ -10,9 +10,6 @@
     :license: GNU GPL, see LICENSE for more details.
 """
 
-# for python 2.5 support
-from __future__ import with_statement
-
 import base64
 import ctypes
 import optparse
diff --git a/openslides/motion/templates/motion/base_motion.html b/openslides/motion/templates/motion/base_motion.html
index 1466bfcf2..0dc5846a6 100644
--- a/openslides/motion/templates/motion/base_motion.html
+++ b/openslides/motion/templates/motion/base_motion.html
@@ -5,17 +5,17 @@
 {% load staticfiles %}
 
 {% block submenu %}
-    {% url motion_overview as url_motionoverview %}
+    {% url 'motion_overview' as url_motionoverview %}
     <h4>{% trans "Motions" %}</h4>
     <ul>
-        <li class="{% if request.path == url_motionoverview %}selected{% endif %}"><a href="{% url motion_overview %}">{% trans "All motions" %}</a></li>
+        <li class="{% if request.path == url_motionoverview %}selected{% endif %}"><a href="{% url 'motion_overview' %}">{% trans "All motions" %}</a></li>
         {% if perms.motion.can_create_motion or perms.motion.can_manage_motion %}
-            <li class="{% active request '/motion/new' %}"><a href="{%  url motion_new %}">{% trans "New motion" %}</a></li>
+            <li class="{% active request '/motion/new' %}"><a href="{% url 'motion_new' %}">{% trans "New motion" %}</a></li>
         {% endif %}
         {% if perms.motion.can_manage_motion %}
-            <li class="{% active request '/motion/import' %}"><a href="{%  url motion_import %}">{% trans 'Import motions' %}</a></li>
+            <li class="{% active request '/motion/import' %}"><a href="{% url 'motion_import' %}">{% trans 'Import motions' %}</a></li>
         {% endif %}
-        <li><a href="{% url print_motions %}"><img src="{% static 'images/icons/pdf.png' %}"> {% trans 'All motions as PDF' %}</a></li>
+        <li><a href="{% url 'print_motions' %}"><img src="{% static 'images/icons/pdf.png' %}"> {% trans 'All motions as PDF' %}</a></li>
     </ul>
 
     {# second submenu #}
@@ -30,35 +30,35 @@
         </h3>
         <ul>
         {# view motion #}
-            {% url motion_view motion.id as url_motionview %}
-            <li class="{% if request.path == url_motionview %}selected{% endif %}"><a href="{% url motion_view motion.id  %}">{% trans 'View motion' %}</a></li>
+            {% url 'motion_view' motion.id as url_motionview %}
+            <li class="{% if request.path == url_motionview %}selected{% endif %}"><a href="{% url 'motion_view' motion.id  %}">{% trans 'View motion' %}</a></li>
         {# edit motion #}
             {% if "edit" in actions %}
-            {% url motion_edit motion.id as url_motionedit %}
-            <li class="{% if request.path == url_motionedit %}selected{% endif %}"><a href="{% url motion_edit motion.id  %}"><img src="{% static 'images/icons/edit.png' %}"> {% trans 'Edit motion' %}</a></li>
+            {% url 'motion_edit' motion.id as url_motionedit %}
+            <li class="{% if request.path == url_motionedit %}selected{% endif %}"><a href="{% url 'motion_edit' motion.id  %}"><img src="{% static 'images/icons/edit.png' %}"> {% trans 'Edit motion' %}</a></li>
             {% endif %}
         {# delete motion #}
             {% if "delete" in actions %}
-            <li><a href="{% url motion_delete motion.id  %}"><img src="{% static 'images/icons/delete.png' %}"> {% trans 'Delete motion' %}</a></li>
+            <li><a href="{% url 'motion_delete' motion.id  %}"><img src="{% static 'images/icons/delete.png' %}"> {% trans 'Delete motion' %}</a></li>
             {% endif %}
         {# PDF #}
-            <li><a href="{% url print_motion motion.id  %}"><img src="{% static 'images/icons/pdf.png' %}"> {% trans 'Motion as PDF' %}</a></li>
+            <li><a href="{% url 'print_motion' motion.id  %}"><img src="{% static 'images/icons/pdf.png' %}"> {% trans 'Motion as PDF' %}</a></li>
         {# activate and polls #}
             {% if perms.projector.can_manage_projector %}
                 <li>
-                    <a class="activate_link {% if item.active %}active{% endif %}" href="{% url projector_activate_slide motion.sid  %}"><img src="{% static 'images/icons/projector.png' %}"> {% trans 'Show Motion' %}</a>
+                    <a class="activate_link {% if item.active %}active{% endif %}" href="{% url 'projector_activate_slide' motion.sid  %}"><img src="{% static 'images/icons/projector.png' %}"> {% trans 'Show Motion' %}</a>
                 </li>
             {% endif %}
             {% if perms.motion.can_manage_motion %}
                 {% for poll in motion.polls %}
-                    {% url motion_poll_view poll.id as url_motionpollview %}
-                    <li class="{% if request.path == url_motionpollview %}selected{% endif %}"><a href="{% url motion_poll_view poll.id %}"><img src="{% static 'images/icons/edit.png' %}"> {{ forloop.counter }}. {% trans "Vote" %}</a></li>
+                    {% url 'motion_poll_view' poll.id as url_motionpollview %}
+                    <li class="{% if request.path == url_motionpollview %}selected{% endif %}"><a href="{% url 'motion_poll_view' poll.id %}"><img src="{% static 'images/icons/edit.png' %}"> {{ forloop.counter }}. {% trans "Vote" %}</a></li>
                 {% endfor %}
             {% endif %}
         {# Agenda Item #}
             {% if perms.agenda.can_manage_agenda %}
             <li>
-                <a href="{% url motion_create_agenda motion.id  %}">{% trans 'New agenda item' %}</a>
+                <a href="{% url 'motion_create_agenda' motion.id  %}">{% trans 'New agenda item' %}</a>
             </li>
             {% endif %}
         </ul>
diff --git a/openslides/motion/templates/motion/config.html b/openslides/motion/templates/motion/config.html
index 0dda79f7c..7f0503147 100644
--- a/openslides/motion/templates/motion/config.html
+++ b/openslides/motion/templates/motion/config.html
@@ -14,8 +14,8 @@
     <button class="button" type="submit">
         <span class="icon ok">{% trans 'Save' %}</span>
     </button>
-    <a href='{% url config_motion %}'>
-    <button class="button" type="button" onclick="window.location='{% url config_motion %}'">
+    <a href="{% url 'config_motion' %}">
+    <button class="button" type="button" onclick="window.location='{% url 'config_motion' %}'">
         <span class="icon cancel">{% trans 'Cancel' %}</span>
     </button>
     </a>
diff --git a/openslides/motion/templates/motion/edit.html b/openslides/motion/templates/motion/edit.html
index 60da48b78..65945b9b3 100644
--- a/openslides/motion/templates/motion/edit.html
+++ b/openslides/motion/templates/motion/edit.html
@@ -19,7 +19,7 @@
         {% trans "New motion" %}
     {% endif %}
     <small class="pull-right">
-    <a href="{% url motion_overview %}" class="btn btn-mini"><i class="icon-chevron-left"></i> {% trans "Back to overview" %}</a>
+    <a href="{% url 'motion_overview' %}" class="btn btn-mini"><i class="icon-chevron-left"></i> {% trans "Back to overview" %}</a>
     </small>
     </h1>
     <form action="" method="post">{% csrf_token %}
@@ -43,9 +43,9 @@
         <button class="btn" type="submit" name="apply">
             {% trans 'Apply' %}
         </button>
-        <a href='{% url motion_overview %}'>
-        <button class="btn" type="button" onclick="window.location='{% url motion_overview %}'">
+        <a href="{% url 'motion_overview' %}" class="btn">
             {% trans 'Cancel' %}
+        </a>
         </button>
         </a>
         </div>
diff --git a/openslides/motion/templates/motion/import.html b/openslides/motion/templates/motion/import.html
index 16ca5bc5a..88e763157 100644
--- a/openslides/motion/templates/motion/import.html
+++ b/openslides/motion/templates/motion/import.html
@@ -7,7 +7,7 @@
 {% block content %}
     <h1>{% trans "Import motions" %}
         <small class="pull-right">
-        <a href="{% url motion_overview %}" class="btn btn-mini"><i class="icon-chevron-left"></i> {% trans "Back to overview" %}</a>
+        <a href="{% url 'motion_overview' %}" class="btn btn-mini"><i class="icon-chevron-left"></i> {% trans "Back to overview" %}</a>
         </small>
     </h1>
 
@@ -40,7 +40,7 @@
         <button class="btn btn-primary" type="submit">
             {% trans 'Import' %}
         </button>
-        <a href='{% url motion_overview %}' class="btn">
+        <a href="{% url 'motion_overview' %}" class="btn">
             {% trans 'Cancel' %}
         </a>
         </div>
diff --git a/openslides/motion/templates/motion/overview.html b/openslides/motion/templates/motion/overview.html
index ad9d81f2b..d35de0978 100644
--- a/openslides/motion/templates/motion/overview.html
+++ b/openslides/motion/templates/motion/overview.html
@@ -11,12 +11,12 @@
         {% trans "Motions" %}
         <small class="pull-right">
         {% if perms.motion.can_create_motion %}
-            <a href="{% url motion_new %}" class="btn btn-mini" rel="tooltip" data-original-title="{% trans 'New motion' %}"><i class="icon-plus"></i> {% trans "New" %}</a>
+            <a href="{% url 'motion_new' %}" class="btn btn-mini" rel="tooltip" data-original-title="{% trans 'New motion' %}"><i class="icon-plus"></i> {% trans "New" %}</a>
         {% endif %}
         {% if perms.motion.can_manage_motion %}
-            <a href="{% url motion_import %}" class="btn btn-mini" rel="tooltip" data-original-title="{% trans 'Import motions' %}"><i class="icon-share-alt"></i> {% trans 'Import' %}</a>
+            <a href="{% url 'motion_import' %}" class="btn btn-mini" rel="tooltip" data-original-title="{% trans 'Import motions' %}"><i class="icon-share-alt"></i> {% trans 'Import' %}</a>
         {% endif %}
-        <a href="{% url print_motions %}" class="btn btn-mini" rel="tooltip" data-original-title="{% trans 'Print all motions as PDF' %}"><i class="icon-print"></i> PDF</a>
+        <a href="{% url 'print_motions' %}" class="btn btn-mini" rel="tooltip" data-original-title="{% trans 'Print all motions as PDF' %}"><i class="icon-print"></i> PDF</a>
         </small>
     </h1>
 
@@ -64,7 +64,7 @@
         <tr class="{% cycle '' 'odd' %}
             {% if motion.active %}activeline{% endif %}">
             <td>{% if motion.number %}{{ motion.number }}{% else %}-{% endif %}</td>
-            <td><a href="{% url motion_view motion.id %}">{{ motion.public_version.title }}</a></td>
+            <td><a href="{% url 'motion_view' motion.id %}">{{ motion.public_version.title }}</a></td>
         {% if min_supporters > 0 %}
             <td>{{ motion.count_supporters }}</td>
         {% endif %}
@@ -81,17 +81,17 @@
             <td>
                 <span style="width: 1px; white-space: nowrap;">
                 {% if perms.projector.can_manage_projector %}
-                    <a class="activate_link {% if motion.active %}active{% endif %}" href="{% url projector_activate_slide motion.sid %}" title="{% trans 'Activate motion' %}">
+                    <a class="activate_link {% if motion.active %}active{% endif %}" href="{% url 'projector_activate_slide' motion.sid %}" title="{% trans 'Activate motion' %}">
                         <span></span>
                     </a>
                 {% endif %}
                 {% if perms.motion.can_manage_motion %}
-                    <a href="{% url motion_edit motion.id %}"><img src="{% static 'images/icons/edit.png' %}" title="{% trans 'Edit motion' %}"></a>
+                    <a href="{% url 'motion_edit' motion.id %}"><img src="{% static 'images/icons/edit.png' %}" title="{% trans 'Edit motion' %}"></a>
                     {% if "delete" in useractions %}
-                    <a href="{% url motion_delete motion.id %}"><img src="{% static 'images/icons/delete.png' %}" title="{% trans 'Delete motion' %}"></a>
+                    <a href="{% url 'motion_delete' motion.id %}"><img src="{% static 'images/icons/delete.png' %}" title="{% trans 'Delete motion' %}"></a>
                     {% endif %}
                 {% endif %}
-                <a href="{% url print_motion motion.id  %}" title="{% trans 'Motion as PDF' %}"><img src="{% static 'images/icons/pdf.png' %}"></a>
+                <a href="{% url 'print_motion' motion.id  %}" title="{% trans 'Motion as PDF' %}"><img src="{% static 'images/icons/pdf.png' %}"></a>
                 </span>
             </td>
         </tr>
diff --git a/openslides/motion/templates/motion/poll_view.html b/openslides/motion/templates/motion/poll_view.html
index ee9414378..b4365a90f 100644
--- a/openslides/motion/templates/motion/poll_view.html
+++ b/openslides/motion/templates/motion/poll_view.html
@@ -15,7 +15,7 @@
     </small>
     <small class="pull-right">
     <div class="btn-toolbar">
-        <a href="{% url motion_view motion.id %}" class="btn btn-mini"><i class="icon-chevron-left"></i> {% trans "Back to motion" %}</a>
+        <a href="{% url 'motion_view' motion.id %}" class="btn btn-mini"><i class="icon-chevron-left"></i> {% trans "Back to motion" %}</a>
         <div class="btn-group">
             <a data-toggle="dropdown" href="#" class="btn btn-mini dropdown-toggle">
                 {% trans 'More actions' %}
@@ -24,12 +24,12 @@
             <ul class="dropdown-menu pull-right">
                 <!-- delete -->
                 {% if "delete" in actions %}
-                    <li><a href="{% url motion_poll_delete poll.id %}"><i class="icon-remove"></i> {% trans 'Delete Vote' %}</a></li>
+                    <li><a href="{% url 'motion_poll_delete' poll.id %}"><i class="icon-remove"></i> {% trans 'Delete Vote' %}</a></li>
                 {% endif %}
                 <!-- activate projector -->
                 {% if perms.projector.can_manage_projector %}
                     <li>
-                        <a class="activate_link {% if item.active %}active{% endif %}" href="{% url projector_activate_slide motion.sid  %}"><i class="icon-facetime-video"></i> {% trans 'Show motion' %}</a>
+                        <a class="activate_link {% if item.active %}active{% endif %}" href="{% url 'projector_activate_slide' motion.sid  %}"><i class="icon-facetime-video"></i> {% trans 'Show motion' %}</a>
                     </li>
                 {% endif %}
             </ul>
@@ -66,7 +66,7 @@
         {{ post_form }}
         <!-- ballot paper button -->
         <p>
-        <a href='{% url print_motion_poll poll.id %}' class="btn">
+        <a href="{% url 'print_motion_poll' poll.id %}" class="btn">
             <i class="icon-print"></i> {% trans 'Ballot paper as PDF' %}
         </a>
         </p>
@@ -78,7 +78,7 @@
             <button type="submit" name="apply" class="btn">
                 {% trans 'Apply' %}
             </button>
-            <a href='{% url motion_view motion.id %}' class="btn">
+            <a href="{% url 'motion_view' motion.id %}" class="btn">
                 {% trans 'Cancel' %}
             </a>
         </div>
diff --git a/openslides/motion/templates/motion/view.html b/openslides/motion/templates/motion/view.html
index 7ab3eb32d..9fdeb3b5b 100644
--- a/openslides/motion/templates/motion/view.html
+++ b/openslides/motion/templates/motion/view.html
@@ -26,8 +26,8 @@
     </small>
     <small class="pull-right">
     <div class="btn-toolbar">
-        <a href="{% url motion_overview %}" class="btn btn-mini"><i class="icon-chevron-left"></i> {% trans "Back to overview" %}</a>
-        <a href="{% url print_motion motion.id  %}" class="btn btn-mini" rel="tooltip" data-original-title="{% trans 'Print this motion as PDF' %}"><i class="icon-print"></i> PDF</a>
+        <a href="{% url 'motion_overview' %}" class="btn btn-mini"><i class="icon-chevron-left"></i> {% trans "Back to overview" %}</a>
+        <a href="{% url 'print_motion' motion.id  %}" class="btn btn-mini" rel="tooltip" data-original-title="{% trans 'Print this motion as PDF' %}"><i class="icon-print"></i> PDF</a>
         <div class="btn-group">
             <a data-toggle="dropdown" href="#" class="btn btn-mini dropdown-toggle">
                 {% trans 'More actions' %}
@@ -36,28 +36,28 @@
             <ul class="dropdown-menu pull-right">
                 <!-- edit -->
                 {% if "edit" in actions %}
-                     <li><a href="{% url motion_edit motion.id  %}"><i class="icon-edit"></i> {% trans 'Edit motion' %}</a></li>
+                     <li><a href="{% url 'motion_edit' motion.id  %}"><i class="icon-edit"></i> {% trans 'Edit motion' %}</a></li>
                 {% endif %}
                 <!-- delete -->
                 {% if "delete" in actions %}
-                    <li><a href="{% url motion_delete motion.id  %}"><i class="icon-remove"></i> {% trans 'Delete motion' %}</a></li>
+                    <li><a href="{% url 'motion_delete' motion.id  %}"><i class="icon-remove"></i> {% trans 'Delete motion' %}</a></li>
                 {% endif %}
                 <!-- activate projector -->
                 {% if perms.projector.can_manage_projector %}
                     <li>
-                        <a class="activate_link {% if item.active %}active{% endif %}" href="{% url projector_activate_slide motion.sid  %}"><i class="icon-facetime-video"></i> {% trans 'Show motion' %}</a>
+                        <a class="activate_link {% if item.active %}active{% endif %}" href="{% url 'projector_activate_slide' motion.sid  %}"><i class="icon-facetime-video"></i> {% trans 'Show motion' %}</a>
                     </li>
                 {% endif %}
                 <!-- edit poll -->
                 {% if perms.motion.can_manage_motion %}
                     {% for poll in motion.polls %}
-                        <li><a href="{% url motion_poll_view poll.id %}"><i class="icon-edit"></i> {{ forloop.counter }}. {% trans "Vote" %}</a></li>
+                        <li><a href="{% url 'motion_poll_view' poll.id %}"><i class="icon-edit"></i> {{ forloop.counter }}. {% trans "Vote" %}</a></li>
                     {% endfor %}
                 {% endif %}
                 <!-- create agenda item -->
                 {% if perms.agenda.can_manage_agenda %}
                 <li>
-                    <a href="{% url motion_create_agenda motion.id  %}"><i class="icon-plus"></i> {% trans 'New agenda item' %}</a>
+                    <a href="{% url 'motion_create_agenda' motion.id  %}"><i class="icon-plus"></i> {% trans 'New agenda item' %}</a>
                 </li>
                 {% endif %}
             </ul>
@@ -71,9 +71,9 @@
     {% if motion.public_version != motion.last_version %}
         &#8901;
         {% if version == motion.public_version %}
-            {% trans "This is not the newest version." %} <a href="{% url motion_view_newest motion.id %}">{% trans "Go to version" %} {{ motion.last_version.aid }}.</a>
+            {% trans "This is not the newest version." %} <a href="{% url 'motion_view_newest' motion.id %}">{% trans "Go to version" %} {{ motion.last_version.aid }}.</a>
         {% else %}
-            {% trans "This is not the authorized version." %} <a href="{% url motion_view motion.id %}">{% trans "Go to version" %} {{ motion.public_version.aid }}.</a>
+            {% trans "This is not the authorized version." %} <a href="{% url 'motion_view' motion.id %}">{% trans "Go to version" %} {{ motion.public_version.aid }}.</a>
         {% endif %}
     {% endif %}
 
@@ -109,10 +109,10 @@
                  <img title="{% trans 'Version authorized' %}" src="{% static 'images/icons/accept.png' %}">
             {% else %}
                  {% if perms.motion.can_manage_motion %}
-                     <a href="{% url motion_version_permit revision.id %}"><img title="{% trans 'Permit Version' %}" src="{% static 'images/icons/accept-grey.png' %}"></a>
+                     <a href="{% url 'motion_version_permit' revision.id %}"><img title="{% trans 'Permit Version' %}" src="{% static 'images/icons/accept-grey.png' %}"></a>
                  {% endif %}
                  {% if not revision.rejected and revision.id > motion.permitted.id and perms.motion.can_manage_motion %}
-                     <a href="{% url motion_version_reject revision.id %}"><img title="{% trans 'Reject Version' %}" src="{% static 'images/icons/reject-grey.png' %}"></a>
+                     <a href="{% url 'motion_version_reject' revision.id %}"><img title="{% trans 'Reject Version' %}" src="{% static 'images/icons/reject-grey.png' %}"></a>
                  {% endif %}
             {% endif %}
             {% if revision.rejected %}
@@ -190,7 +190,7 @@
             {% if not polls.exists %}
                 {% if perms.motion.can_manage_motion %}
                     {% if "genpoll" in actions %}
-                    <a href='{% url motion_gen_poll motion.id %}' class="btn btn-mini">
+                    <a href="{% url 'motion_gen_poll' motion.id %}" class="btn btn-mini">
                         <i class="icon-signal"></i> {% trans 'New vote' %}
                     </a>
                     {% else %}
@@ -205,8 +205,8 @@
             {% if perms.motion.can_manage_motion or poll.has_votes %}
                 <li>{% trans "Vote" %}
                     {% if perms.motion.can_manage_motion %}
-                        <a class="btn btn-mini" href="{% url motion_poll_view poll.id %}" title="{% trans 'Edit Vote' %}"><i class="icon-edit"></i></a>
-                        <a class="btn btn-mini" href="{% url motion_poll_delete poll.id %}" title="{% trans 'Delete Vote' %}"><i class="icon-remove"></i></a>
+                        <a class="btn btn-mini" href="{% url 'motion_poll_view' poll.id %}" title="{% trans 'Edit Vote' %}"><i class="icon-edit"></i></a>
+                        <a class="btn btn-mini" href="{% url 'motion_poll_delete' poll.id %}" title="{% trans 'Delete Vote' %}"><i class="icon-remove"></i></a>
                     {% endif %}
                     <br>
                     {% if poll.has_votes %}
@@ -222,7 +222,7 @@
                         {% if perms.motion.can_manage_motion %}
                             {% if forloop.last %}
                             {% if "genpoll" in actions %}
-                            <a href='{% url motion_gen_poll motion.id %}' class="btn btn-mini">
+                            <a href="{% url 'motion_gen_poll' motion.id %}" class="btn btn-mini">
                                 <i class="icon-signal"></i> {% trans 'New vote' %}
                             </a>
                             {% endif %}
@@ -244,7 +244,7 @@
         <!-- Widthdraw button -->
         {% if "wit" in actions and user == motion.submitter.user %}
             <br><br>
-            <a href='{% url motion_set_status motion.id 'wit' %}' class="btn">
+            <a href="{% url 'motion_set_status' motion.id 'wit' %}" class="btn">
                 <span class="icon revert">{% trans 'Withdraw motion' %}</span>
             </a>
         {% endif %}
@@ -252,13 +252,13 @@
         {% if perms.motion.can_support_motion and min_supporters > 0 %}
             {% if "unsupport" in actions %}
                 <br><br>
-                <a href='{% url motion_unsupport motion.id %}' class="btn">
+                <a href="{% url 'motion_unsupport' motion.id %}" class="btn">
                     {% trans 'Unsupport motion' %}
                 </a>
             {% endif %}
             {% if "support" in actions %}
                 <br><br>
-                <a href='{% url motion_support motion.id %}'>
+                <a href="{% url 'motion_support' motion.id %}">
                     {% trans 'Support' %}
                 </a>
             {% endif %}
@@ -279,16 +279,16 @@
         <h5>{% trans "Formal validation" %}:</h5>
         <div class="btn-group btn-group-vertical">
             {% if "pub" in actions %}
-                <a href='{% url motion_set_status motion.id 'pub' %}' class="btn">{% trans 'Publish' %}</a>
+                <a href="{% url 'motion_set_status' motion.id 'pub' %}" class="btn">{% trans 'Publish' %}</a>
             {% endif %}
             {% if "per" in actions %}
-                <a href='{% url motion_permit motion.id %}' class="btn btn-info">{% trans 'Permit' %}</a>
+                <a href="{% url 'motion_permit' motion.id %}" class="btn btn-info">{% trans 'Permit' %}</a>
             {% endif %}
             {% if "nop" in actions %}
-                <a href='{% url motion_notpermit motion.id %}' class="btn">{% trans 'Not permit' %}</a>
+                <a href="{% url 'motion_notpermit' motion.id %}" class="btn">{% trans 'Not permit' %}</a>
             {% endif %}
             {% if "setnumber" in actions %}
-                <a href='{% url motion_set_number motion.id %}' class="btn">{% trans 'Set number' %}</a>
+                <a href="{% url 'motion_set_number' motion.id %}" class="btn">{% trans 'Set number' %}</a>
             {% endif %}
         </div>
     {% endif %}
@@ -297,12 +297,12 @@
         <h5>{% trans "Result after vote" %}:</h5>
         <div class="btn-group btn-group-vertical">
             {% if "acc" in actions %}
-            <a href='{% url motion_set_status motion.id 'acc' %}' class="btn btn-success">
+            <a href="{% url 'motion_set_status' motion.id 'acc' %}" class="btn btn-success">
                 <i class="icon-ok icon-white"></i> {% trans 'Accepted' %}
             </a>
             {% endif %}
             {% if "rej" in actions %}
-            <a href='{% url motion_set_status motion.id 'rej' %}' class="btn btn-danger">
+            <a href="{% url 'motion_set_status' motion.id 'rej' %}" class="btn btn-danger">
                 <i class="icon-ban-circle icon-white"></i> {% trans 'Rejected' %}
             </a>
             {% endif %}
@@ -318,16 +318,16 @@
             </a>
             <ul class="dropdown-menu pull-right">
                 {% if "adj" in actions %}
-                    <li><a href='{% url motion_set_status motion.id 'adj' %}'>{% trans 'Adjourned' %}</a></li>
+                    <li><a href="{% url 'motion_set_status' motion.id 'adj' %}">{% trans 'Adjourned' %}</a></li>
                 {% endif %}
                 {% if "noc" in actions %}
-                    <li><a href='{% url motion_set_status motion.id 'noc' %}'>{% trans 'Not Concerned' %}</a></li>
+                    <li><a href="{% url 'motion_set_status' motion.id 'noc' %}">{% trans 'Not Concerned' %}</a></li>
                 {% endif %}
                 {% if "com" in actions %}
-                    <li><a href='{% url motion_set_status motion.id 'com' %}'>{% trans 'Commited a bill' %}</a></li>
+                    <li><a href="{% url 'motion_set_status' motion.id 'com' %}">{% trans 'Commited a bill' %}</a></li>
                 {% endif %}
                 {% if "wit" in actions %}
-                    <li><a href='{% url motion_set_status motion.id 'wit' %}'>{% trans 'Withdrawed by Submitter' %}</a></li>
+                    <li><a href="{% url 'motion_set_status' motion.id 'wit' %}">{% trans 'Withdrawed by Submitter' %}</a></li>
                 {% endif %}
             </ul>
         </div>
@@ -335,7 +335,7 @@
     <p></p>
     <hr>
     <h5>{% trans "For Administration only:" %}</h5>
-    <a href='{% url motion_reset motion.id %}' class="btn btn-danger">
+    <a href="{% url 'motion_reset' motion.id %}" class="btn btn-danger">
         {% trans 'Reset' %}
     </a>
     </div> <!--/well-->
diff --git a/openslides/motion/templates/motion/widget.html b/openslides/motion/templates/motion/widget.html
index 0495d7ac9..c0796de89 100644
--- a/openslides/motion/templates/motion/widget.html
+++ b/openslides/motion/templates/motion/widget.html
@@ -5,7 +5,7 @@
 <ul style="line-height: 180%">
 {% for motion in motions %}
     <li class="{% if motion.active %}activeline{% endif %}">
-        <a href="{% url projector_activate_slide motion.sid %}" class="activate_link {% if motion.active %}active{% endif %}">
+        <a href="{% url 'projector_activate_slide' motion.sid %}" class="activate_link {% if motion.active %}active{% endif %}">
             <div></div>
         </a>
         <a href="{% model_url motion 'delete' %}" title="{% trans 'Delete' %}" class="icon delete right">
@@ -14,7 +14,7 @@
         <a href="{% model_url motion 'edit' %}" title="{% trans 'Edit' %}" class="icon edit right">
             <span></span>
         </a>
-        <a href="{% url projctor_preview_slide motion.sid %}" title="{% trans 'Preview' %}" class="icon preview right">
+        <a href="{% url 'projctor_preview_slide' motion.sid %}" title="{% trans 'Preview' %}" class="icon preview right">
             <span></span>
         </a>
         <a href="{% model_url motion 'view' %}">
diff --git a/openslides/motion/views.py b/openslides/motion/views.py
index 6c8f68820..a323b5594 100644
--- a/openslides/motion/views.py
+++ b/openslides/motion/views.py
@@ -10,16 +10,10 @@
     :license: GNU GPL, see LICENSE for more details.
 """
 
-# for python 2.5 support
-from __future__ import with_statement
-
 import csv
 import os
 
-try:
-    from urlparse import parse_qs
-except ImportError:  # python <= 2.5
-    from cgi import parse_qs
+from urlparse import parse_qs
 
 from reportlab.lib import colors
 from reportlab.lib.units import cm
diff --git a/openslides/participant/api.py b/openslides/participant/api.py
index fb5325628..f7b5a80a2 100644
--- a/openslides/participant/api.py
+++ b/openslides/participant/api.py
@@ -10,9 +10,6 @@
     :license: GNU GPL, see LICENSE for more details.
 """
 
-# for python 2.5 support
-from __future__ import with_statement
-
 from random import choice
 import csv
 
diff --git a/openslides/participant/forms.py b/openslides/participant/forms.py
index 8085f313f..854abe91e 100644
--- a/openslides/participant/forms.py
+++ b/openslides/participant/forms.py
@@ -13,6 +13,7 @@
 from django import forms
 from django.contrib.auth.models import Permission
 from django.utils.translation import ugettext_lazy as _
+from django.conf import settings
 
 from openslides.utils.forms import (
     CssClassMixin, LocalizedModelMultipleChoiceField)
@@ -101,6 +102,8 @@ class GroupForm(forms.ModelForm, CssClassMixin):
 
 
 class UsersettingsForm(forms.ModelForm, CssClassMixin):
+    language = forms.ChoiceField(choices=settings.LANGUAGES)
+
     class Meta:
         model = User
         fields = ('username', 'first_name', 'last_name', 'gender', 'email', 'committee', 'about_me')
diff --git a/openslides/participant/templates/participant/config.html b/openslides/participant/templates/participant/config.html
index 283fb40b9..8548a5bd2 100644
--- a/openslides/participant/templates/participant/config.html
+++ b/openslides/participant/templates/participant/config.html
@@ -12,7 +12,7 @@
         {% include "form.html" %}
         <p>
         {% include "formbuttons_save.html" %}
-        <a href='{% url config_participant %}' class="btn">
+        <a href="{% url 'config_participant' %}" class="btn">
             {% trans 'Cancel' %}
         </a>
         </p>
diff --git a/openslides/participant/templates/participant/edit.html b/openslides/participant/templates/participant/edit.html
index abfb03bae..7ea413779 100644
--- a/openslides/participant/templates/participant/edit.html
+++ b/openslides/participant/templates/participant/edit.html
@@ -19,7 +19,7 @@
             {% trans "New participant" %}
         {% endif %}
         <small class="pull-right">
-        <a href="{% url user_overview %}" class="btn btn-mini"><i class="icon-chevron-left"></i> {% trans "Back to overview" %}</a>
+        <a href="{% url 'user_overview' %}" class="btn btn-mini"><i class="icon-chevron-left"></i> {% trans "Back to overview" %}</a>
         </small>
     </h1>
 
@@ -27,12 +27,12 @@
         {% include "form.html" %}
         {% if edit_user %}
             <p>
-                <a href="{% url user_reset_password edit_user.id %}">{% trans 'Reset to First Password' %}</a>
+                <a href="{% url 'user_reset_password' edit_user.id %}">{% trans 'Reset to First Password' %}</a>
             </p>
         {% endif %}
         <p>
         {% include "formbuttons_saveapply.html" %}
-        <a href='{% url user_overview %}' class="btn">
+        <a href="{% url 'user_overview' %}" class="btn">
             {% trans 'Cancel' %}
         </a>
         </p>
diff --git a/openslides/participant/templates/participant/group_edit.html b/openslides/participant/templates/participant/group_edit.html
index a392cf0dd..8020247d2 100644
--- a/openslides/participant/templates/participant/group_edit.html
+++ b/openslides/participant/templates/participant/group_edit.html
@@ -19,7 +19,7 @@
         {% trans "New group" %}
     {% endif %}
         <small class="pull-right">
-        <a href="{% url user_group_overview %}" class="btn btn-mini"><i class="icon-chevron-left"></i> {% trans "Back to overview" %}</a>
+        <a href="{% url 'user_group_overview' %}" class="btn btn-mini"><i class="icon-chevron-left"></i> {% trans "Back to overview" %}</a>
         </small>
     </h1>
 
@@ -27,7 +27,7 @@
         {% include "form.html" %}
         <p>
         {% include "formbuttons_saveapply.html" %}
-        <a href='{% url user_group_overview %}' class="btn">
+        <a href="{% url 'user_group_overview' %}" class="btn">
             {% trans 'Cancel' %}
         </a>
         </p>
diff --git a/openslides/participant/templates/participant/group_overview.html b/openslides/participant/templates/participant/group_overview.html
index 6f7de45f5..08e09ea57 100644
--- a/openslides/participant/templates/participant/group_overview.html
+++ b/openslides/participant/templates/participant/group_overview.html
@@ -9,8 +9,8 @@
 {% block content %}
     <h1>{% trans "Groups" %}
         <small class="pull-right">
-        <a href="{% url user_group_new %}" class="btn btn-mini" rel="tooltip" data-original-title="{% trans 'New group' %}"><i class="icon-plus"></i> {% trans "New" %}</a>
-        <a href="{% url user_overview %}" class="btn btn-mini"><i class="icon-chevron-left"></i> {% trans "Participants" %}</a>
+        <a href="{% url 'user_group_new' %}" class="btn btn-mini" rel="tooltip" data-original-title="{% trans 'New group' %}"><i class="icon-plus"></i> {% trans "New" %}</a>
+        <a href="{% url 'user_overview' %}" class="btn btn-mini"><i class="icon-chevron-left"></i> {% trans "Participants" %}</a>
         </small>
     </h1>
 
@@ -22,9 +22,9 @@
     {% for group in groups %}
         <tr class="{% cycle '' 'odd' %}">
             <td><a href="{% model_url group 'view' %}">{{ group.name }}</a></td>
-            <td><a href="{% url user_group_edit group.id %}"><img src="{% static 'images/icons/edit.png' %}" title="{% trans 'Edit group' %}"></a>
+            <td><a href="{% url 'user_group_edit' group.id %}"><img src="{% static 'images/icons/edit.png' %}" title="{% trans 'Edit group' %}"></a>
             {% if group.name|lower != 'anonymous' and group.name|lower != 'registered' %}
-            <a href="{% url user_group_delete group.id %}"><img src="{% static 'images/icons/delete.png' %}" title="{% trans 'Delete group' %}"></a>
+            <a href="{% url 'user_group_delete' group.id %}"><img src="{% static 'images/icons/delete.png' %}" title="{% trans 'Delete group' %}"></a>
             {% endif %}
             </td>
         </tr>
diff --git a/openslides/participant/templates/participant/group_widget.html b/openslides/participant/templates/participant/group_widget.html
index 5c6e285a7..88a2eb91c 100644
--- a/openslides/participant/templates/participant/group_widget.html
+++ b/openslides/participant/templates/participant/group_widget.html
@@ -5,7 +5,7 @@
 {% for group in groups %}
     {% if group.name != 'Anonymous' and group.name != 'Registered' %}
     <li class="{% if group.active %}activeline{% endif %}">
-        <a href="{% url projector_activate_slide group.sid %}" class="activate_link {% if group.active %}active{% endif %}">
+        <a href="{% url 'projector_activate_slide' group.sid %}" class="activate_link {% if group.active %}active{% endif %}">
             <div></div>
         </a>
         <a href="{% model_url group 'delete' %}" title="{% trans 'Delete' %}" class="icon delete right">
@@ -14,7 +14,7 @@
         <a href="{% model_url group 'edit' %}" title="{% trans 'Edit' %}" class="icon edit right">
             <span></span>
         </a>
-        <a href="{% url projctor_preview_slide group.sid %}" title="{% trans 'Preview' %}" class="icon preview right">
+        <a href="{% url 'projctor_preview_slide' group.sid %}" title="{% trans 'Preview' %}" class="icon preview right">
             <span></span>
         </a>
         <a href="{% model_url group 'view' %}">{{ group }}</a>
diff --git a/openslides/participant/templates/participant/import.html b/openslides/participant/templates/participant/import.html
index 74d475886..e374845b7 100644
--- a/openslides/participant/templates/participant/import.html
+++ b/openslides/participant/templates/participant/import.html
@@ -8,7 +8,7 @@
     <h1>
         {% trans 'Import participants' %}
         <small class="pull-right">
-        <a href="{% url user_overview %}" class="btn btn-mini"><i class="icon-chevron-left"></i> {% trans "Back to overview" %}</a>
+        <a href="{% url 'user_overview' %}" class="btn btn-mini"><i class="icon-chevron-left"></i> {% trans "Back to overview" %}</a>
         </small>
     </h1>
 
@@ -29,7 +29,7 @@
         <button class="btn btn-primary" type="submit">
             <span class="icon import">{% trans 'Import' %}</span>
         </button>
-        <a href="{% url user_overview%}" class="btn">
+        <a href="{% url 'user_overview' %}" class="btn">
             {% trans 'Cancel' %}
         </a>
         </p>
diff --git a/openslides/participant/templates/participant/login.html b/openslides/participant/templates/participant/login.html
index cd969f77f..3558d0562 100644
--- a/openslides/participant/templates/participant/login.html
+++ b/openslides/participant/templates/participant/login.html
@@ -22,7 +22,13 @@
             <em>{{ first_time_message|safe }}</em>
         </div>
     {% endif %}
-    <form method="post" action="{% url user_login %}{% if next %}?next={{ next }}{% endif %}" class="well">
+
+    <script>
+        $("div.notification").click(function () {
+            $(this).hide("fast");
+        });
+    </script>
+    <form method="post" action="{% url 'user_login' %}{% if next %}?next={{ next }}{% endif %}" class="well">
         {% csrf_token %}
         <div class="input-prepend">
             <span class="add-on"><i class="icon-user"></i></span>
@@ -48,7 +54,7 @@
     {% if os_enable_anonymous_login %}
         <script>
             $("#anonymous_login").live('click', function () {
-                window.location.href = '{% url item_overview %}';
+                window.location.href = "{% url 'item_overview' %}";
                 return false;
             });
         </script>
diff --git a/openslides/participant/templates/participant/overview.html b/openslides/participant/templates/participant/overview.html
index 9528c230e..b272a7fcc 100644
--- a/openslides/participant/templates/participant/overview.html
+++ b/openslides/participant/templates/participant/overview.html
@@ -19,9 +19,9 @@
         <small class="pull-right">
         <div class="btn-toolbar">
             {% if perms.participant.can_manage_participant %}
-                <a href="{% url user_new %}" class="btn btn-mini" rel="tooltip" data-original-title="{% trans 'New participant' %}"><i class="icon-plus"></i> {% trans "New" %}</a>
-                <a href="{% url user_group_overview %}" class="btn btn-mini" rel="tooltip" data-original-title="{% trans 'All user groups' %}"><i class="icon-user"></i> {% trans "User groups" %}</a>
-                <a href="{% url user_import %}" class="btn btn-mini" rel="tooltip" data-original-title="{% trans 'Import participants' %}"><i class="icon-share-alt"></i> {% trans 'Import' %}</a>
+                <a href="{% url 'user_new' %}" class="btn btn-mini" rel="tooltip" data-original-title="{% trans 'New participant' %}"><i class="icon-plus"></i> {% trans "New" %}</a>
+                <a href="{% url 'user_group_overview' %}" class="btn btn-mini" rel="tooltip" data-original-title="{% trans 'All user groups' %}"><i class="icon-user"></i> {% trans "User groups" %}</a>
+                <a href="{% url 'user_import' %}" class="btn btn-mini" rel="tooltip" data-original-title="{% trans 'Import participants' %}"><i class="icon-share-alt"></i> {% trans 'Import' %}</a>
             {% endif %}
             {% if perms.participant.can_see_participant and perms.participant.can_manage_participant %}
                 <div class="btn-group pull-right">
@@ -31,20 +31,20 @@
                           <span class="caret"></span>
                     </a>
                     <ul class="dropdown-menu">
-                        {% url user_settings as url_usersettings %}
-                        <li><a href="{% url user_print %}"><i class="icon-list"></i> {% trans 'List of participants' %}</a></li>
-                        <li><a href="{% url print_passwords %}"><i class="icon-th-large"></i> {% trans 'First time passwords' %}</a></li>
+                        {% url 'user_settings' as url_usersettings %}
+                        <li><a href="{% url 'user_print' %}"><i class="icon-list"></i> {% trans 'List of participants' %}</a></li>
+                        <li><a href="{% url 'print_passwords' %}"><i class="icon-th-large"></i> {% trans 'First time passwords' %}</a></li>
                     </ul>
                     {% else %}
-                        <a href="{% url user_login %}" class="btn">{% trans "Login" %}</a>
+                        <a href="{% url 'user_login' %}" class="btn">{% trans "Login" %}</a>
                     {% endif %}
                 </div>
             {% else %}
                 {% if perms.participant.can_see_participant %}
-                    <a href="{% url user_print %}" class="btn btn-mini" rel="tooltip" data-original-title="{% trans 'Print list of participants as PDF' %}"><i class="icon-print"></i> PDF</a>
+                    <a href="{% url 'user_print' %}" class="btn btn-mini" rel="tooltip" data-original-title="{% trans 'Print list of participants as PDF' %}"><i class="icon-print"></i> PDF</a>
                 {% endif %}
                 {% if perms.participant.can_manage_participant %}
-                    <a href="{% url print_passwords %}" class="btn btn-mini" rel="tooltip" data-original-title="{% trans 'Print first time passwords as PDF' %}"><i class="icon-print"></i> PDF</a>
+                    <a href="{% url 'print_passwords' %}" class="btn btn-mini" rel="tooltip" data-original-title="{% trans 'Print first time passwords as PDF' %}"><i class="icon-print"></i> PDF</a>
                 {% endif %}
             {% endif %}
         </div>
@@ -126,19 +126,19 @@
                     </td>
                     <td>
                         <span style="width: 1px; white-space: nowrap;">
-                            <a href="{% url user_edit user.id %}">
+                            <a href="{% url 'user_edit' user.id %}">
                                 <img src="{% static 'images/icons/edit.png' %}" title="{% trans 'Edit participant' %}">
                             </a>
                             {% if user != request_user %}
-                            <a href="{% url user_delete user.id %}">
+                            <a href="{% url 'user_delete' user.id %}">
                                 <img src="{% static 'images/icons/delete.png' %}" title="{% trans 'Delete participant' %}">
                             </a>
                             {% endif %}
                             {% if user != request_user and not user.is_superuser %}
-                            <a class="status_link deactivate" href="{% url user_status_deactivate user.id %}" title="{% trans 'Change status to inactive' %}"{% if not user.is_active %} style="display:none"{% endif %}>
+                            <a class="status_link deactivate" href="{% url 'user_status_deactivate' user.id %}" title="{% trans 'Change status to inactive' %}"{% if not user.is_active %} style="display:none"{% endif %}>
                                 <span></span>
                             </a>
-                            <a class="status_link activate" href="{% url user_status_activate user.id %}" title="{% trans 'Change status to active' %}"{% if user.is_active %} style="display:none"{% endif %}>
+                            <a class="status_link activate" href="{% url 'user_status_activate' user.id %}" title="{% trans 'Change status to active' %}"{% if user.is_active %} style="display:none"{% endif %}>
                                 <span></span>
                             </a>
                             {% endif %}
diff --git a/openslides/participant/templates/participant/settings.html b/openslides/participant/templates/participant/settings.html
index 746722cf3..25afa5bde 100644
--- a/openslides/participant/templates/participant/settings.html
+++ b/openslides/participant/templates/participant/settings.html
@@ -4,6 +4,17 @@
 
 {% block title %}{{ block.super }} – {% trans "Personal Settings" %}{% endblock %}
 
+<<<<<<< .merge_file_gQQrGK
+=======
+{% block submenu %}
+    <h4 class="sectiontitle">{% trans "User Settings" %}</h4>
+    <ul>
+        <li class="selected"><a href="{% url 'user_settings' %}">{% trans "Personal Settings" %}</a></li>
+        <li><a href="{% url 'password_change' %}">{% trans "Password Settings" %}</a></li>
+    </ul>
+{% endblock %}
+
+>>>>>>> .merge_file_n8pEk9
 {% block content %}
     <h1>{% trans "Personal Settings" %}</h1>
 
diff --git a/openslides/participant/templates/participant/user_widget.html b/openslides/participant/templates/participant/user_widget.html
index 00082aac7..ab762774e 100644
--- a/openslides/participant/templates/participant/user_widget.html
+++ b/openslides/participant/templates/participant/user_widget.html
@@ -4,7 +4,7 @@
 <ul style="line-height: 180%">
 {% for user in users %}
     <li class="{% if user.active %}activeline{% endif %}">
-        <a href="{% url projector_activate_slide user.sid %}" class="activate_link {% if user.active %}active{% endif %}">
+        <a href="{% url 'projector_activate_slide' user.sid %}" class="activate_link {% if user.active %}active{% endif %}">
             <div></div>
         </a>
         <a href="{% model_url user 'delete' %}" title="{% trans 'Delete' %}" class="icon delete right">
@@ -13,7 +13,7 @@
         <a href="{% model_url user 'edit' %}" title="{% trans 'Edit' %}" class="icon edit right">
             <span></span>
         </a>
-        <a href="{% url projctor_preview_slide user.sid %}" title="{% trans 'Preview' %}" class="icon preview right">
+        <a href="{% url 'projctor_preview_slide' user.sid %}" title="{% trans 'Preview' %}" class="icon preview right">
             <span></span>
         </a>
         <a href="{% model_url user 'view' %}">{{ user }}</a>
diff --git a/openslides/participant/views.py b/openslides/participant/views.py
index db6fa6d15..985d65f3d 100644
--- a/openslides/participant/views.py
+++ b/openslides/participant/views.py
@@ -10,15 +10,8 @@
     :license: GNU GPL, see LICENSE for more details.
 """
 
-# for python 2.5 support
-from __future__ import with_statement
-
 from urllib import urlencode
-
-try:
-    from urlparse import parse_qs
-except ImportError:  # python <= 2.5 grab it from cgi
-    from cgi import parse_qs
+from urlparse import parse_qs
 
 from reportlab.lib import colors
 from reportlab.lib.units import cm
@@ -31,7 +24,7 @@ from django.contrib.auth.forms import PasswordChangeForm
 from django.contrib.auth.views import login as django_login
 from django.core.urlresolvers import reverse
 from django.shortcuts import redirect
-from django.utils.translation import ugettext as _, ugettext_lazy
+from django.utils.translation import ugettext as _, ugettext_lazy, activate
 
 from openslides.utils.pdf import stylesheet
 from openslides.utils.template import Tab
@@ -500,14 +493,18 @@ def user_settings(request):
     Edit own user account.
     """
     if request.method == 'POST':
-        form = UsersettingsForm(request.POST, instance=request.user)
-        if form.is_valid():
-            form.save()
+        form_user = UsersettingsForm(request.POST, instance=request.user)
+        if form_user.is_valid():
+            form_user.save()
+            language = request.LANGUAGE_CODE = \
+                request.session['django_language'] = form_user.cleaned_data['language']
+            activate(language)
             messages.success(request, _('User settings successfully saved.'))
         else:
             messages.error(request, _('Please check the form for errors.'))
     else:
-        form = UsersettingsForm(instance=request.user)
+        language = request.session.get('django_language', request.LANGUAGE_CODE)
+        form_user = UsersettingsForm(instance=request.user, initial={'language': language})
 
     return {
         'form': form,
diff --git a/openslides/projector/templates/projector/control_countdown.html b/openslides/projector/templates/projector/control_countdown.html
index fe0e27336..4d9b8248b 100644
--- a/openslides/projector/templates/projector/control_countdown.html
+++ b/openslides/projector/templates/projector/control_countdown.html
@@ -8,16 +8,17 @@
             <input class="projector_countdown_spinval" id="countdown_time" name="countdown_time" type="number" min="0" value="{{ countdown_time }}">
             <span class="add-on">{% trans "s" context "seconds" %}</span>
         </div>
-        <a id="countdown_set" class="countdown_control btn btn-small" href="{% url countdown_set_default %}" title="{% trans 'Save as default' %}">
-            <img src="{% static 'images/icons/document-save.png' %}" alt="{% url countdown_set_default %}">
+        <a id="countdown_set" class="countdown_control btn btn-small" href="{% url 'countdown_set_default' %}" title="{% trans 'Save as default' %}">
+            <img src="{% static 'images/icons/document-save.png' %}" alt="{% url 'countdown_set_default' %}">
         </a>
-        <a id="countdown_reset" class="countdown_control btn btn-small" href="{% url countdown_reset %}" title="{% trans 'Reset countdown' %}">
+
+        <a id="countdown_reset" class="countdown_control btn btn-small" href="{% url 'countdown_reset' %}" title="{% trans 'Reset countdown' %}">
             <i class="icon-fast-backward"></i>
         </a>
-        <a id="countdown_play" class="countdown_control btn btn-small" href="{% url countdown_start %}" title="{% trans 'Start countdown' %}"{% if countdown_state == 'active' %} style="display:none"{% endif %}>
+        <a id="countdown_play" class="countdown_control btn btn-small" href="{% url 'countdown_start' %}" title="{% trans 'Start countdown' %}"{% if countdown_state == 'active' %} style="display:none"{% endif %}>
             <i class="icon-play"></i>
         </a>
-        <a id="countdown_stop" class="countdown_control btn btn-small" href="{% url countdown_stop %}" title="{% trans 'Stop countdown' %}"{% if countdown_state == 'inactive' or countdown_state == 'paused' or countdown_state == 'expired' %} style="display:none"{% endif %}>
+        <a id="countdown_stop" class="countdown_control btn btn-small" href="{% url 'countdown_stop' %}" title="{% trans 'Stop countdown' %}"{% if countdown_state == 'inactive' or countdown_state == 'paused' or countdown_state == 'expired' %} style="display:none"{% endif %}>
             <i class="icon-pause"></i>
         </a>
     </div>
diff --git a/openslides/projector/templates/projector/control_overlay_message.html b/openslides/projector/templates/projector/control_overlay_message.html
index 2836f5d2e..4d3b5ea99 100644
--- a/openslides/projector/templates/projector/control_overlay_message.html
+++ b/openslides/projector/templates/projector/control_overlay_message.html
@@ -2,7 +2,7 @@
 {% load i18n %}
 {% load tags %}
 
-<form id="overlay_message" action="{% url projector_overlay_message %}" method="post" style="display:inline-block;">{% csrf_token %}
+<form id="overlay_message" action="{% url 'projector_overlay_message' %}" method="post" style="display:inline-block;">{% csrf_token %}
     <div class="input-append">
         <input id="overlay_message_text" name='message_text' type='text' value="{% get_config 'projector_message' %}">
         <button type="submit" class="btn btn-primary" name="message" rel="tooltip" data-original-title="{% trans 'Apply' %}">
@@ -13,4 +13,3 @@
         </button>
     </div>
 </form>
-
diff --git a/openslides/projector/templates/projector/custom_slide_widget.html b/openslides/projector/templates/projector/custom_slide_widget.html
index a207f5949..631b28d6c 100644
--- a/openslides/projector/templates/projector/custom_slide_widget.html
+++ b/openslides/projector/templates/projector/custom_slide_widget.html
@@ -2,13 +2,12 @@
 {% load i18n %}
 {% load tags %}
 
-
 <ul style="line-height: 180%">
     <li class="{% if welcomepage_is_active %}activeline{% endif %}">
-        <a href="{% url projector_activate_welcomepage %}" class="activate_link {% if welcomepage_is_active %}active{% endif %}">
+        <a href="{% url 'projector_activate_welcomepage' %}" class="activate_link {% if welcomepage_is_active %}active{% endif %}">
             <div></div>
         </a>
-        <a href="{% url projctor_preview_welcomepage %}" title="{% trans 'Preview' %}" class="icon preview right">
+        <a href="{% url 'projctor_preview_welcomepage' %}" title="{% trans 'Preview' %}" class="icon preview right">
             <span></span>
         </a>
         {% trans 'Welcome Page' %}
@@ -16,27 +15,26 @@
 </ul>
 <hr>
 <div class="pull-right">
-<a href='{% url customslide_new %}' class="btn btn-mini">
+<a href="{% url 'customslide_new' %}" class="btn btn-mini">
     <i class="icon-plus"></i>{% trans 'New' %}
 </a>
 </div>
 <ul style="line-height: 180%">
 {% for slide in slides %}
     <li class="{% if slide.active %}activeline{% endif %}">
-        <a href="{% url projector_activate_slide slide.sid %}" class="activate_link {% if slide.active %}active{% endif %}">
+        <a href="{% url 'projector_activate_slide' slide.sid %}" class="activate_link {% if slide.active %}active{% endif %}">
             <div></div>
         </a>
-        <a href="{% url customslide_edit slide.id %}">{{ slide }}</a>
-        <a href="{% url customslide_edit slide.id %}" title="{% trans 'Edit' %}" class="btn btn-mini">
+        <a href="{% url 'customslide_edit' slide.id %}">{{ slide }}</a>
+        <a href="{% url 'customslide_edit' slide.id %}" title="{% trans 'Edit' %}" class="btn btn-mini">
             <i class="icon-pencil"></i>
         </a>
-        <a href="{% url customslide_delete slide.id %}" title="{% trans 'Delete' %}" class="btn btn-mini">
+        <a href="{% url 'customslide_delete' slide.id %}" title="{% trans 'Delete' %}" class="btn btn-mini">
             <i class="icon-remove"></i>
         </a>
-        <a href="{% url projctor_preview_slide slide.sid %}" title="{% trans 'Preview' %}" class="btn btn-mini">
+        <a href="{% url 'projctor_preview_slide' slide.sid %}" title="{% trans 'Preview' %}" class="btn btn-mini">
             <i class="icon-search"></i>
         </a>
-
     </li>
 {% empty %}
     <li>{% trans 'No items available.' %}</li>
diff --git a/openslides/projector/templates/projector/dashboard.html b/openslides/projector/templates/projector/dashboard.html
index 99874b91e..02442910f 100644
--- a/openslides/projector/templates/projector/dashboard.html
+++ b/openslides/projector/templates/projector/dashboard.html
@@ -17,7 +17,7 @@
 {% block content %}
     <h1>{% trans 'Dashboard' %}
         <small class="pull-right">
-            <a href="{% url projector_select_widgets %}" class="btn btn-mini" rel="tooltip" data-original-title="{% trans 'Manage widgets' %}"><i class="icon-th-large"></i> {% trans 'Widgets' %}</a>
+            <a href="{% url 'projector_select_widgets' %}" class="btn btn-mini" rel="tooltip" data-original-title="{% trans 'Manage widgets' %}"><i class="icon-th-large"></i> {% trans 'Widgets' %}</a>
         </small>
     </h1>
 
diff --git a/openslides/projector/templates/projector/live_view_widget.html b/openslides/projector/templates/projector/live_view_widget.html
index fd917caf3..d1594a6f9 100644
--- a/openslides/projector/templates/projector/live_view_widget.html
+++ b/openslides/projector/templates/projector/live_view_widget.html
@@ -6,23 +6,23 @@
 {% if perms.projector.can_manage_projector %}
     <div style="float: right;">
         <p>
-        <a class="projector_edit" href="{% url projector_bigger %}" title="{% trans 'Zoom in' %}">
+        <a class="projector_edit" href="{% url 'projector_bigger' %}" title="{% trans 'Zoom in' %}">
             <img src="{% static 'images/icons/zoom-in.png' %}" />
         </a><br>
-        <a class="projector_edit" href="{% url projector_smaller %}" title="{% trans 'Zoom out' %}">
+        <a class="projector_edit" href="{% url 'projector_smaller' %}" title="{% trans 'Zoom out' %}">
             <img src="{% static 'images/icons/zoom-out.png' %}" />
         </a>
         </p>
         <p>
-        <a class="projector_edit" href="{% url projector_up %}" title="{% trans 'Scroll text up' %}">
+        <a class="projector_edit" href="{% url 'projector_up' %}" title="{% trans 'Scroll text up' %}">
             <img src="{% static 'images/icons/go-up.png' %}" />
         </a><br>
-        <a class="projector_edit" href="{% url projector_down %}" title="{% trans 'Scroll text down' %}">
+        <a class="projector_edit" href="{% url 'projector_down' %}" title="{% trans 'Scroll text down' %}">
             <img src="{% static 'images/icons/go-down.png' %}" />
         </a>
         </p>
         <p>
-        <a class="projector_edit" href="{% url projector_clean %}" title="{% trans 'Reset projector view' %}">
+        <a class="projector_edit" href="{% url 'projector_clean' %}" title="{% trans 'Reset projector view' %}">
             <img src="{% static 'images/icons/view-reset.png' %}" />
         </a>
         </p>
@@ -30,9 +30,9 @@
 {% endif %}
 
 <!-- projector live view -->
-<a href="{% url projector_show %}" target="_blank">
+<a href="{% url 'projector_show' %}" target="_blank">
     <div id="iframewrapper">
-        <iframe id="iframe" src="{% url projector_show %}" frameborder="0"></iframe>
+        <iframe id="iframe" src="{% url 'projector_show' %}" frameborder="0"></iframe>
         <div id="iframeoverlay"></div>
     </div>
 </a>
diff --git a/openslides/projector/templates/projector/new.html b/openslides/projector/templates/projector/new.html
index 6f2f07b04..f61e5a049 100644
--- a/openslides/projector/templates/projector/new.html
+++ b/openslides/projector/templates/projector/new.html
@@ -8,7 +8,7 @@
 {% block content %}
     <h1>{% trans 'Custom slide' %}
         <small class="pull-right">
-            <a href="{% url dashboard %}" class="btn btn-mini"><i class="icon-chevron-left"></i> {% trans "Back to overview" %}</a>
+            <a href="{% url 'dashboard' %}" class="btn btn-mini"><i class="icon-chevron-left"></i> {% trans "Back to overview" %}</a>
         </small>
     </h1>
     <form action="" method="post">{% csrf_token %}
diff --git a/openslides/projector/templates/projector/overlay_widget.html b/openslides/projector/templates/projector/overlay_widget.html
index 8b47a4539..7a98c67de 100644
--- a/openslides/projector/templates/projector/overlay_widget.html
+++ b/openslides/projector/templates/projector/overlay_widget.html
@@ -4,10 +4,10 @@
 <ul>
     {% for overlay in overlays %}
         <li>
-            <a id="{{ overlay.def_name }}_inactive" href="{% url projector_overlay_activate overlay.def_name %}" class="overlay"{% if overlay.active %} style="display:none"{% endif %}>
+            <a id="{{ overlay.def_name }}_inactive" href="{% url 'projector_overlay_activate' overlay.def_name %}" class="overlay"{% if overlay.active %} style="display:none"{% endif %}>
                 <div></div>
             </a>
-            <a id="{{ overlay.def_name }}_active" href="{% url projector_overlay_deactivate overlay.def_name %}" class="overlay active"{% if not overlay.active %} style="display:none"{% endif %}>
+            <a id="{{ overlay.def_name }}_active" href="{% url 'projector_overlay_deactivate' overlay.def_name %}" class="overlay active"{% if not overlay.active %} style="display:none"{% endif %}>
                 <div></div>
             </a>
 
diff --git a/openslides/projector/templates/projector/select_widgets.html b/openslides/projector/templates/projector/select_widgets.html
index 63bccd59d..75d1f6f86 100644
--- a/openslides/projector/templates/projector/select_widgets.html
+++ b/openslides/projector/templates/projector/select_widgets.html
@@ -7,7 +7,7 @@
 {% block content %}
     <h1>{% trans 'Select widgets' %}
         <small class="pull-right">
-            <a href="{% url dashboard %}" class="btn btn-mini"><i class="icon-chevron-left"></i> {% trans "Back to overview" %}</a>
+            <a href="{% url 'dashboard' %}" class="btn btn-mini"><i class="icon-chevron-left"></i> {% trans "Back to overview" %}</a>
         </small>
     </h1>
 
diff --git a/openslides/templates/base.html b/openslides/templates/base.html
index b3e57f8cf..c9832a7b2 100644
--- a/openslides/templates/base.html
+++ b/openslides/templates/base.html
@@ -16,6 +16,7 @@
     <link href="{% static 'styles/bootstrap-responsive.css' %}" type="text/css" rel="stylesheet">
     <link href="{% static 'styles/base.css' %}" type="text/css" rel="stylesheet">
     <link href="{% static 'img/favicon.png' %}" type="image/png" rel="shortcut icon" />
+
     {% block header %}
     {% endblock %}
 </head>
@@ -34,14 +35,14 @@
                               <span class="caret"></span>
                         </a>
                         <ul class="dropdown-menu">
-                            {% url user_settings as url_usersettings %}
-                            <li><a href="{% url user_settings %}"><i class="icon-cog"></i> {% trans "Profile" %}</a></li>
-                            <li><a href="{% url password_change %}"><i class="icon-lock"></i> {% trans "Change password" %}</a></li>
+                            {% url 'user_settings' as url_usersettings %}
+                            <li><a href="{% url 'user_settings' %}"><i class="icon-cog"></i> {% trans "Profile" %}</a></li>
+                            <li><a href="{% url 'password_change' %}"><i class="icon-lock"></i> {% trans "Change password" %}</a></li>
                             <li class="divider"></li>
-                            <li><a href="{% url user_logout %}"><i class="icon-off"></i> {% trans "Logout" %}</a></li>
+                            <li><a href="{% url 'user_logout' %}"><i class="icon-off"></i> {% trans "Logout" %}</a></li>
                         </ul>
                         {% else %}
-                            <a href="{% url user_login %}" class="btn">{% trans "Login" %}</a>
+                            <a href="{% url 'user_login' %}" class="btn">{% trans "Login" %}</a>
                         {% endif %}
                     </div>
                 </div> <!--/#header-->
@@ -109,7 +110,7 @@
     <script src="{% static 'javascript/jquery.js' %}" type="text/javascript"></script>
     <script src="{% static 'javascript/utils.js' %}" type="text/javascript"></script>
     <script src="{% static 'javascript/bootstrap.min.js' %}" type="text/javascript"></script>
-    <script type="text/javascript" src="{% url django.views.i18n.javascript_catalog %}"></script>
+    <script type="text/javascript" src="{% url 'django.views.i18n.javascript_catalog' %}"></script>
     {% block javascript %}
     {% endblock %}
 </body>
diff --git a/openslides/utils/jsonfield/fields.py b/openslides/utils/jsonfield/fields.py
index 45c66aee4..9b1762214 100644
--- a/openslides/utils/jsonfield/fields.py
+++ b/openslides/utils/jsonfield/fields.py
@@ -1,8 +1,8 @@
+import json
+
 from django.db import models
 from django.core.serializers.json import DjangoJSONEncoder
-from django.utils import simplejson as json
 from django.utils.translation import ugettext_lazy as _
-
 from django.forms.fields import Field
 from django.forms.util import ValidationError as FormValidationError
 
diff --git a/openslides/utils/pdf.py b/openslides/utils/pdf.py
index 4064f109e..cf6db3c44 100755
--- a/openslides/utils/pdf.py
+++ b/openslides/utils/pdf.py
@@ -21,8 +21,7 @@ from reportlab.rl_config import defaultPageSize
 
 from django.conf import settings
 from django.utils import formats
-# Import gettext for python 2.5 support
-from django.utils.translation import ugettext as _, gettext
+from django.utils.translation import ugettext as _
 
 from openslides.config.models import config
 
diff --git a/openslides/utils/utils.py b/openslides/utils/utils.py
index 8c7565337..d5898703b 100644
--- a/openslides/utils/utils.py
+++ b/openslides/utils/utils.py
@@ -11,11 +11,7 @@
 """
 
 import sys
-
-try:
-    import json
-except ImportError:  # For python 2.5 support
-    import simplejson as json
+import json
 
 from django.contrib import messages
 from django.contrib.auth.models import Permission
diff --git a/openslides/utils/views.py b/openslides/utils/views.py
index 9e94d7191..d65156db2 100644
--- a/openslides/utils/views.py
+++ b/openslides/utils/views.py
@@ -10,11 +10,7 @@
     :license: GNU GPL, see LICENSE for more details.
 """
 
-try:
-    import json
-except ImportError:
-    # for python 2.5 support
-    import simplejson as json
+import json
 
 try:
     from cStringIO import StringIO
diff --git a/requirements.txt b/requirements.txt
index e43764974..8602f17e8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,8 +1,7 @@
-Django==1.4.2
-django-mptt
-reportlab
-PIL
-simplejson
-coverage
-django-discover-runner
-pep8
+Django==1.5b2
+django-mptt==0.5.5
+reportlab==2.6
+PIL==1.1.7
+coverage==3.6b1
+django-discover-runner==0.2.2
+pep8==1.3.3