Implemented API calls to assign role for user
Merge remote-tracking branch 'gooru/master'
Merge remote-tracking branch 'gooru/master'
Implemented API call to assign role for menu
Added source support in authenticate user api.
Changed resource table to hold gooru_id
Merge pull request #747 from sarala0927/master

Added source support in authenticate user api.
Merge remote-tracking branch 'gooru/master'
Merge remote-tracking branch 'gooru/master'
improvements on create user with collaborator update API
Merge remote-tracking branch 'origin/master'
Given gooruOid as folder name
Changed Resource logic to create gooruOid as folder.
Merge pull request #748 from saravanab/master

Fixed 500 issue
Core-1610 changed lti api call
Merge pull request #751 from PurnimaGS/master

Core-1610 changed lti api call
Merge remote-tracking branch 'gooru/master'
Merge pull request #749 from viji-m/master

Changed Resource logic to set gooruOid as folder name
Added proper error validation in upload media
Merge pull request #752 from skpcharles/master

improvements on create user with collaborator update API