Log Message:
Changes 3.0.6:
Experimental full Django 1.7 migrations support
Added CMSPlugin.get_render_model to get the plugin model at render time
Added simplified API to handle toolbar for page extensions
Fixed a few frontend glitches
Fixed menu when hide untranslated is set to False
Added option to publish all the pages in a language / site in publisher_publish \ 
command
Fixed sitemap ordering
Fixed plugin table name generation fixes