fixed pep8 errors
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
fixed typo in utils/views.py
fixed pep8 error
Merge pull request #80 from ostcar/master

pep8, django1.5 and smal fix