Built-in Workflows are created by listening to a signal which is sent after syncdb.
Move builtin groups to a signal.
Add new TestCase class in utils to call the signal on running every test.
Fix PEP8, and forgotten import change. Update .travis.
Merge pull request #562 from normanjaeckel/Listen_To_Syncdb

Builtin Workflows and Groups are now created by listening to a signal
Motion Identifier
Merge branch 'master' of github.com:OpenSlides/OpenSlides into category
Changed comlex workflow automaticly set the identifier
set identifier
dont set identifier prefix, if it is empty
Merge pull request #563 from ostcar/category

Category
fixed travis
Merge pull request #564 from ostcar/category

fixed travis
Merge remote branch 'upstream/master' into motiontemplate

Conflicts:
	openslides/motion/models.py
	openslides/motion/views.py