Added Delete support for ContentProviderAssoc
Merge pull request #458 from cyrilraja/master

*Configured CORS PUT,DELETE
Added support for save re-index requests
Core-1464 Need an Gooru API to retrieve default gooru version
Merge pull request #459 from PurnimaGS/master

Core-1464 Added Gooru API to retrieve  gooru version
Merge pull request #456 from saravanab/master

Added Delete support for ContentProviderAssoc
Improvement on index queue support
Improved multiversion logic
Merge branch 'master' of https://github.com/Gooru/Gooru-Core-API
Improvements  on index queue support
Added support for direction and plandEndDate in class assign API
Removed invalid loop
Merge pull request #461 from skpcharles/master

Added support for direction and plandEndDate in class assign API
Merge pull request #460 from parthibane/master

Added support save index request in index queue
Fixed issues with user group sql exception
Merge branch 'master' of https://github.com/Gooru/Gooru-Core-API
improvements on eventlogs for AccountServiceImpl