fix wiki hide button not working in firefox (STUD-1581)
Bump django 1.4 minor version to 1.4.12 to pick up patches
Make release table by PR, instead of by commit
When sending bulk email check if course is authorized.
Also the idash_mode property is stored seperately for each course.

LMS-2565
Major refactoring based on Cale's branch approach
Removed unused function
removed unused import
Drag and drop on container page.

STUD-1309
dnd container page styling
Switch the container page to use the new view
Restore the ability to drag at any level inside a vertical and clean up templates.
Update unit test based on changes in master.
Create edx remote if it doesn't exist
Include author in table
IGNORED_EMAILS is no longer used
fix for Studio 404 and 500 page layouts
STUD-864
Only show drag handles in draft mode
Bok choy acceptance test for drag and drop.
Allow for no runtime_type in the context.
Fix Jasmine tests

Also, rewrite them to be easier to comprehend, and to not use magic constants (or to use fewer, at least).