update hash
Merge pull request #9 from edx-solutions/cdodge/update-drag-and-drop-hash2

drag-n-drop: update hash
mentoring: Update hash
image-explorer: Update hash
ooyala: Add ooyala XBlock
Merge pull request #14 from edx-solutions/api

Api
Merge pull request #15 from edx-solutions/api

add a GET endpoint to /api/groups/{groupid}/courses to get the list of c...
Merge pull request #16 from edx-solutions/api

return the display names when listing all courses in a group (program)
Merge pull request #17 from edx-solutions/api

create optimized course tree query API endpoint
Added Security to session api as requested in #785
Storing passoword history of user and validation for user's email and username
Moved security tests to lms also
mentoring: Update hash
Merge pull request #19 from edx-solutions/api

make sure group profile data is properly serialized and deserialized. Th...
Merge pull request #20 from edx-solutions/api

null guard
Merge pull request #21 from edx-solutions/api

fix broken unit test
add two FEATURE flag overrides to enable the security features
remove unnecessary settings overrides (because they are 'feature flags')
Merge pull request #23 from edx-solutions/api

add GET endpoint to group/user relationships
point to most recent version of drag and drop