Merge pull request #370 from cyrilraja/master

*Implemented CORE-1274,1278,1312
Rover-126 Implemented code for Google Oauth login flow
Merge pull request #372 from PurnimaGS/master

Rover-126 Implemented code for Google Oauth login flow
*Fixed gooruUId issue for user.login event
Merge remote-tracking branch 'gooru/master'