discussion: Update hash
Merge pull request #98 from aboudreault/discussion-hash-update

discussion: Update hash
tunnel through any attributes needed for the overview API

remove duplicate data
ooyala: update hash
Merge pull request #93 from edx-solutions/cdodge/return-attributes-for-course-about

Cdodge/return attributes for course about
ooyala: update hash
ooyala: update hash again
discussion: Update hash

ooyala: update hash

writing custom query set

Fixed failing test

more test and improvements to code quality