Adds RawDescriptro for VideoAlpha
Merge pull request #590 from edx/alex/fix-videoalpha-descriptor

Add RawDescriptor for VideoAlpha
Adds RawDescriptro for VideoAlpha
Add helper methods to hide internals of how users are enrolled in courses.

Remove _

Minor cleanup.
fix broken test due to HTML change
Fix notification problem
template fixes on instructor dash
Merge pull request #570 from edx/fix/cdodge/add-metadata-caching-to-delete-course

Performance enhancements for django-admin commands to delete and clone course
handle cases where the 'base-asset-url' is undefined, e.g. in Jasmine tests
tz fix in openendedchild
Small fixup to final print statement in Create Dev Env script

Fixed Typo
Cleanup/reformatting
Make sure that we properly parse and save section release times

Firefox wasn't saving section release times, due to issues with JS Date() parsing.
I've modified the code to make it more explicit around what it should do and how
it should work, which also makes it work better with both Firefox and Chrome.
Properly parse and save section release times
Add a list view for metadata editor.

This is to be used with VideoAlpha's functionality allowing a choice
of multiple HTML5 video sources.
Convert Video Alpha to metadata-only.
Unstyled prototype for new list editor design.
Studio: revises visual layout/presentation of multi-value metadata fields
Studio: corrects minor styling/formatting for multi-value metadata fields
PR comment cleanup.