Add inline_discussions_cohorting_default and cohorted_inline_discussions in course settings
Merge pull request #172 from aboudreault/public-discussions-in-cohorted-course

Add inline_discussions_cohorting_default and cohorted_inline_discussions in course settings
discussion-xblock: Update hash
ooyala/exercises: Update hash
xblock-settings: Add service to allow access to settings from XBlocks
Merge pull request #174 from edx-solutions/xblock-settings

xblock-settings: Add service to allow access to settings from XBlocks (WIP)
ooyala: Update hash
ziafazal/api-filter-user-groups-by-data: added xblock_id filter

added lookup for multiple data params