* Add caching support to users/group
* Add a function has_perm that works with the cache.
* Removed our session backend so other session backends (without the database) can be used
* Second websocket channel for the projector
* Removed use of projector requirements for REST API requests.
Refactored data serializing for projector websocket connection.
* Refactor the way that the projector autoupdate get its data.
* Fixed missing assignment slide title for hidden items.
* Release all items for item list slide and list of speakers slide. Fixed error with motion workflow.
* Created CollectionElement class which helps to handle autoupdate.
Uses django channels instead of tornado for the autoupdate. Therefore
tornado is nolonger a dependency of OpenSlides (but channels).
This uses websockets instead of SockJS.
Use the flag insecure in the start command to provide static files serving.
Use a new session backend that has a ForeignKey to User.
- Use ng-cloak for hide template parts while loading.
- Set html lang attribute dynamically (Fixes#1546)
- Clean up: Rename 'dashboard' to 'home'.
- Show duration of speech in minutes. (Fixes#1882)
- Save agenda specific stuff for customslides. (Fixes#1887)
- Remove title from QuickEdit from.
- Checkbox for item.closed is now visible for manager only.
- Agenda list view: Show list of speakers link also for normal users.
- Improve slide templates: Show agenda item number and subtitle.
- Fixed agenda title for motions and assignments.
(Don't load motions and assignmetn in agenda app.)
- Added missing seach template.
countdowns, messages, scale/scroll/edit current slide
Use global serverOffset.
Fixed#1645 (wrong time of projector clock).
Show countdown description on projector slide.
Added custom slide projector element class.
Added welcome slide as custom slide.
Added user slide projector element class.
Added clock, countdown ans message projector elements.
Renamed SignalConnectMetaClass classmethod get_all_objects to get_all (private API).
Added migrations to core app.
Fixed and wrote tests.
Updated CHANGELOG.
