- added new plugin delete api
- added new placeholder clear api
- made the draft mode more reliable
Merge branch 'develop' of github.com:divio/django-cms into develop

Conflicts:
	cms/templatetags/cms_tags.py
added firther draft for copy/paste
add ckeditor and admin style as default in example project
Merge branch 'develop' of github.com:divio/django-cms into develop
readd delete logs
added mire z-index fixes
dragging works now
Merge pull request #1787 from alesdotio/develop

fixes change_form.html breaking text-ckeditor (on plugin creation)
added correct url handling for remove plugin
Merge branch 'develop' of github.com:divio/django-cms into develop
copied plugins can now be deleted
set icon to blue and lower the active gradient
added correct loader from django-cms.org
add default clipboard option
use parentsUntil instead of parents
fixed jumping when dragging
fixed issues with active states
use cms_draggables as limit
Merge pull request #1788 from FinalAngel/develop

Frontend Enhancements