Merge pull request #77 from ostcar/django1.5

Changes for Django1.5
Merge pull request #78 from ostcar/master

There is not alpha0
fixed pep8 errors
Fix typo in template.
Merge pull request #79 from normanjaeckel/master

Fix typo in motion template.
Show Tabs if there do not define some permissions
Import urls.py needed django functions from django.conf.urls
Raise an error if an CreateView does not define a apply_url
Merge branch 'master' of github.com:OpenSlides/OpenSlides