diff --git a/gulpfile.js b/gulpfile.js
index 2c91e09a0..9a7240997 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -1,4 +1,4 @@
-/*!
+/**
  * Gulp tasks for development and production.
  *
  * Run
@@ -17,6 +17,7 @@ var argv = require('yargs').argv,
     concat = require('gulp-concat'),
     gulpif = require('gulp-if'),
     gettext = require('gulp-angular-gettext'),
+    jshint = require('gulp-jshint'),
     mainBowerFiles = require('main-bower-files'),
     minifyCSS = require('gulp-minify-css'),
     path = require('path'),
@@ -25,9 +26,14 @@ var argv = require('yargs').argv,
 // Directory where the results go
 var output_directory = path.join('openslides', 'static');
 
+
+/**
+ * Default tasks to be run before start.
+ */
+
 // Catches all JavaScript files from all bower components and concats them to
 // one file js/openslides-libs.js. In production mode the file is uglified.
-gulp.task('js', function() {
+gulp.task('js-libs', function() {
     return gulp.src(mainBowerFiles({
             filter: /\.js$/
         }))
@@ -38,7 +44,7 @@ gulp.task('js', function() {
 
 // Catches all CSS files from all bower components and concats them to one file
 // css/openslides-libs.css. In production mode the file is uglified.
-gulp.task('css', function() {
+gulp.task('css-libs', function() {
     return gulp.src(mainBowerFiles({
             filter: /\.css$/
         }))
@@ -48,13 +54,22 @@ gulp.task('css', function() {
 });
 
 // Catches all font files from all bower components.
-gulp.task('fonts', function() {
+gulp.task('fonts-libs', function() {
     return gulp.src(mainBowerFiles({
             filter: /\.(eot)|(svg)|(ttf)|(woff)|(woff2)$/
         }))
         .pipe(gulp.dest(path.join(output_directory, 'fonts')));
 });
 
+// Gulp default task. Runs all other tasks before.
+gulp.task('default', ['js-libs', 'css-libs', 'fonts-libs'], function() {});
+
+
+/**
+ * Extra tasks that have to be called manually. Useful for development and
+ * packageing.
+ */
+
 // Extracts translatable strings using angular-gettext and saves them in file
 // openslides/locale/angular-gettext/template-en.pot.
 gulp.task('pot', function () {
@@ -74,5 +89,9 @@ gulp.task('translations', function () {
         .pipe(gulp.dest(path.join(output_directory, 'i18n')));
 });
 
-// Gulp default task. Runs all other tasks before.
-gulp.task('default', ['js', 'css', 'fonts'], function() {});
+// Checks JavaScript using JSHint
+gulp.task( 'jshint', function() {
+    return gulp.src([ 'gulpfile.js', path.join( 'openslides', '*', 'static', '**', '*.js' ) ])
+        .pipe(jshint())
+        .pipe(jshint.reporter('default'));
+});
diff --git a/openslides/core/views.py b/openslides/core/views.py
index 5fc10bdc8..c79207944 100644
--- a/openslides/core/views.py
+++ b/openslides/core/views.py
@@ -58,7 +58,12 @@ class IndexView(utils_views.CSRFMixin, utils_views.View):
 
 class ProjectorView(utils_views.View):
     """
-    Access the projector.
+    The primary view for OpenSlides projector using AngularJS.
+
+    The default base template is 'openslides/core/static/templates/projector.html'.
+    You can override it by simply adding a custom 'templates/projector.html'
+    file to the custom staticfiles directory. See STATICFILES_DIRS in
+    settings.py.
     """
 
     def get(self, *args, **kwargs):
diff --git a/openslides/users/apps.py b/openslides/users/apps.py
index 1aac71ca0..3b36eda7e 100644
--- a/openslides/users/apps.py
+++ b/openslides/users/apps.py
@@ -6,7 +6,7 @@ class UsersAppConfig(AppConfig):
     verbose_name = 'OpenSlides Users'
     angular_site_module = True
     angular_projector_module = True
-    js_files = ['js/users/users.js']
+    js_files = ['js/users/base.js', 'js/users/site.js', 'js/users/projector.js']
 
     def ready(self):
         # Load projector elements.
diff --git a/openslides/users/static/js/users/base.js b/openslides/users/static/js/users/base.js
new file mode 100644
index 000000000..0fea9bfb7
--- /dev/null
+++ b/openslides/users/static/js/users/base.js
@@ -0,0 +1,79 @@
+(function () {
+
+'use strict';
+
+angular.module('OpenSlidesApp.users', [])
+
+.factory('User', ['DS', 'Group', 'jsDataModel', function(DS, Group, jsDataModel) {
+    var name = 'users/user';
+    return DS.defineResource({
+        name: name,
+        useClass: jsDataModel,
+        methods: {
+            getResourceName: function () {
+                return name;
+            },
+            get_short_name: function() {
+                // should be the same as in the python user model.
+                var firstName = _.trim(this.first_name),
+                    lastName = _.trim(this.last_name),
+                    name;
+
+                if (firstName && lastName) {
+                    // TODO: check config
+                    name = [firstName, lastName].join(' ');
+                } else {
+                    name = firstName || lastName || this.username;
+                }
+                return name;
+            },
+            get_full_name: function() {
+                // should be the same as in the python user model.
+                var firstName = _.trim(this.first_name),
+                    lastName = _.trim(this.last_name),
+                    structure_level = _.trim(this.structure_level),
+                    name;
+
+                if (firstName && lastName) {
+                    // TODO: check config
+                    name = [firstName, lastName].join(' ');
+                } else {
+                    name = firstName || lastName || this.username;
+                }
+                if (structure_level) {
+                    name = name + " (" + structure_level + ")";
+                }
+                return name;
+            },
+            getPerms: function() {
+                var allPerms = [];
+                var allGroups = this.groups;
+                // Add registered group
+                allGroups.push(2);
+                _.forEach(allGroups, function(groupId) {
+                    // Get group from server
+                    Group.find(groupId);
+                    // But do not work with the returned promise, because in
+                    // this case this method can not be called in $watch
+                    var group = Group.get(groupId);
+                    if (group) {
+                        _.forEach(group.permissions, function(perm) {
+                            allPerms.push(perm);
+                        });
+                    }
+                });
+                return _.uniq(allPerms);
+            },
+        },
+    });
+}])
+
+.factory('Group', ['DS', function(DS) {
+    return DS.defineResource({
+        name: 'users/group',
+    });
+}])
+
+.run(['User', 'Group', function(User, Group) {}]);
+
+}());
diff --git a/openslides/users/static/js/users/projector.js b/openslides/users/static/js/users/projector.js
new file mode 100644
index 000000000..c375c0259
--- /dev/null
+++ b/openslides/users/static/js/users/projector.js
@@ -0,0 +1,22 @@
+(function () {
+
+'use strict';
+
+angular.module('OpenSlidesApp.users.projector', ['OpenSlidesApp.users'])
+
+.config(function(slidesProvider) {
+    slidesProvider.registerSlide('users/user', {
+        template: 'static/templates/users/slide_user.html',
+    });
+})
+
+.controller('SlideUserCtrl', function($scope, User) {
+    // Attention! Each object that is used here has to be dealt on server side.
+    // Add it to the coresponding get_requirements method of the ProjectorElement
+    // class.
+    var id = $scope.element.id;
+    User.find(id);
+    User.bindOne(id, $scope, 'user');
+});
+
+}());
diff --git a/openslides/users/static/js/users/users.js b/openslides/users/static/js/users/site.js
similarity index 82%
rename from openslides/users/static/js/users/users.js
rename to openslides/users/static/js/users/site.js
index 6e1363668..686509415 100644
--- a/openslides/users/static/js/users/users.js
+++ b/openslides/users/static/js/users/site.js
@@ -1,79 +1,6 @@
-"use strict";
-
-angular.module('OpenSlidesApp.users', [])
-
-.factory('User', ['DS', 'Group', 'jsDataModel', function(DS, Group, jsDataModel) {
-    var name = 'users/user'
-    return DS.defineResource({
-        name: name,
-        useClass: jsDataModel,
-        methods: {
-            getResourceName: function () {
-                return name;
-            },
-            get_short_name: function() {
-                // should be the same as in the python user model.
-                var firstName = _.trim(this.first_name),
-                    lastName = _.trim(this.last_name),
-                    name;
-
-                if (firstName && lastName) {
-                    // TODO: check config
-                    name = [firstName, lastName].join(' ');
-                } else {
-                    name = firstName || lastName || this.username;
-                }
-                return name;
-            },
-            get_full_name: function() {
-                // should be the same as in the python user model.
-                var firstName = _.trim(this.first_name),
-                    lastName = _.trim(this.last_name),
-                    structure_level = _.trim(this.structure_level),
-                    name;
-
-                if (firstName && lastName) {
-                    // TODO: check config
-                    name = [firstName, lastName].join(' ');
-                } else {
-                    name = firstName || lastName || this.username;
-                }
-                if (structure_level) {
-                    name = name + " (" + structure_level + ")";
-                }
-                return name;
-            },
-            getPerms: function() {
-                var allPerms = [];
-                var allGroups = this.groups;
-                // Add registered group
-                allGroups.push(2);
-                _.forEach(allGroups, function(groupId) {
-                    // Get group from server
-                    Group.find(groupId);
-                    // But do not work with the returned promise, because in
-                    // this case this method can not be called in $watch
-                    var group = Group.get(groupId);
-                    if (group) {
-                        _.forEach(group.permissions, function(perm) {
-                            allPerms.push(perm);
-                        });
-                    }
-                });
-                return _.uniq(allPerms);
-            },
-        },
-    });
-}])
-
-.factory('Group', ['DS', function(DS) {
-    return DS.defineResource({
-        name: 'users/group',
-    });
-}])
-
-.run(['User', 'Group', function(User, Group) {}]);
+(function () {
 
+'use strict';
 
 angular.module('OpenSlidesApp.users.site', ['OpenSlidesApp.users'])
 
@@ -162,7 +89,7 @@ angular.module('OpenSlidesApp.users.site', ['OpenSlidesApp.users'])
     .state('users.group.create', {
         resolve: {
             permissions: function($http) {
-                return $http({ 'method': 'OPTIONS', 'url': '/rest/users/group/' })
+                return $http({ 'method': 'OPTIONS', 'url': '/rest/users/group/' });
             }
         }
     })
@@ -179,7 +106,7 @@ angular.module('OpenSlidesApp.users.site', ['OpenSlidesApp.users'])
         },
         resolve: {
             permissions: function($http) {
-                return $http({ 'method': 'OPTIONS', 'url': '/rest/users/group/' })
+                return $http({ 'method': 'OPTIONS', 'url': '/rest/users/group/' });
             }
         }
     });
@@ -229,7 +156,7 @@ angular.module('OpenSlidesApp.users.site', ['OpenSlidesApp.users'])
                 }
                 return _.intersection(perms, operator.perms).length > 0;
             },
-        }
+        };
         return operator;
     }
 ])
@@ -260,7 +187,7 @@ angular.module('OpenSlidesApp.users.site', ['OpenSlidesApp.users'])
         link: function($scope, $element, $attr, ctrl, $transclude) {
             var block, childScope, previousElements, perms;
             if ($attr.osPerms[0] === '!') {
-                perms = _.trimLeft($attr.osPerms, '!')
+                perms = _.trimLeft($attr.osPerms, '!');
             } else {
                 perms = $attr.osPerms;
             }
@@ -325,7 +252,7 @@ angular.module('OpenSlidesApp.users.site', ['OpenSlidesApp.users'])
             link: function(scope, element, $attr) {
                 var perms;
                 if ($attr.osPermsLite[0] === '!') {
-                    perms = _.trimLeft($attr.osPermsLite, '!')
+                    perms = _.trimLeft($attr.osPermsLite, '!');
                 } else {
                     perms = $attr.osPermsLite;
                 }
@@ -346,7 +273,7 @@ angular.module('OpenSlidesApp.users.site', ['OpenSlidesApp.users'])
                     }
                 );
             }
-        }
+        };
     }
 ])
 
@@ -481,7 +408,7 @@ angular.module('OpenSlidesApp.users.site', ['OpenSlidesApp.users'])
                 }
             );
         });
-    }
+    };
 
     // import from csv file
     $scope.csv = {
@@ -503,7 +430,7 @@ angular.module('OpenSlidesApp.users.site', ['OpenSlidesApp.users'])
             user.last_name = obj[i].last_name;
             user.structure_level = obj[i].structure_level;
             user.groups = [];
-            if (obj[i].groups != '') {
+            if (obj[i].groups !== '') {
                 var groups = obj[i].groups.replace('"','').split(",");
                 groups.forEach(function(group) {
                     user.groups.push(group);
@@ -518,7 +445,7 @@ angular.module('OpenSlidesApp.users.site', ['OpenSlidesApp.users'])
             );
         }
         $scope.csvimported = true;
-    }
+    };
 
     $scope.clear = function () {
         $scope.csv.result = null;
@@ -574,24 +501,6 @@ angular.module('OpenSlidesApp.users.site', ['OpenSlidesApp.users'])
     };
 });
 
-
-angular.module('OpenSlidesApp.users.projector', ['OpenSlidesApp.users'])
-
-.config(function(slidesProvider) {
-    slidesProvider.registerSlide('users/user', {
-        template: 'static/templates/users/slide_user.html',
-    });
-})
-
-.controller('SlideUserCtrl', function($scope, User) {
-    // Attention! Each object that is used here has to be dealt on server side.
-    // Add it to the coresponding get_requirements method of the ProjectorElement
-    // class.
-    var id = $scope.element.id;
-    User.find(id);
-    User.bindOne(id, $scope, 'user');
-});
-
 // this is code from angular.js. Find a way to call this function from this file
 function getBlockNodes(nodes) {
   // TODO(perf): just check if all items in `nodes` are siblings and if they are return the original
@@ -608,3 +517,5 @@ function getBlockNodes(nodes) {
 
   return $(blockNodes);
 }
+
+}());
diff --git a/openslides/utils/autoupdate.py b/openslides/utils/autoupdate.py
index 3bb33c2b5..2992ea3b1 100644
--- a/openslides/utils/autoupdate.py
+++ b/openslides/utils/autoupdate.py
@@ -136,7 +136,7 @@ def run_tornado(addr, port, *args, **kwargs):
     # Collect urls
     sock_js_router = SockJSRouter(OpenSlidesSockJSConnection, '/sockjs')
     other_urls = [
-        (r"%s(.*)" % settings.STATIC_URL, DjangoStaticFileHandler),
+        (r'%s(.*)' % settings.STATIC_URL, DjangoStaticFileHandler),
         (r'%s(.*)' % settings.MEDIA_URL, StaticFileHandler, {'path': settings.MEDIA_ROOT}),
         ('.*', FallbackHandler, dict(fallback=app))]
 
diff --git a/package.json b/package.json
index c66ca6872..01954f55b 100644
--- a/package.json
+++ b/package.json
@@ -11,6 +11,7 @@
     "gulp-uglify": "~1.0.2",
     "main-bower-files": "~2.4.1",
     "yargs": "~1.3.3",
-    "po2json": "~0.3.2"
+    "po2json": "~0.3.2",
+    "gulp-jshint": "~1.11.2"
   }
 }