setup select2
cleanup
cleanup
remove placeholder form fields
Merge pull request #2640 from digi604/fix-link

Fix link
locales update
cancel action if there are no options provided
fixes issue #2610
fixes very descriptive #2506
fixes issue #2623
remove not required file
Merge pull request #2648 from FinalAngel/develop

minor frontend fixes
Merge branch 'develop' of github.com:divio/django-cms into develop