Code improvements related core 1485
Merge pull request #545 from sheebans/master

added fix for null pointer exception while fetching the workspace
Merge pull request #546 from vksvenkat/master

Code improvements related core 1485
Fixed DO-5388 6.5 [Search] Updated username is not reflecting in search created by field
Merge pull request #547 from cyrilraja/master

Fixed DO-5388 6.5 [Search] Updated username is not reflecting in search ...
fixed [My Collections - Question Copy] MC, MA, TF, FIB only shows one answer issue
Merge pull request #548 from skpcharles/master

fixed [My Collections - Question Copy] MC, MA, TF, FIB only shows one an...
added fix for Selected Parent at registraion, Role: shows empty at Setting
DO-5388-Added fix for updated username not affecting for contents
Merge pull request #550 from RenukaGurumurthy/master

DO-5388-Added fix for updated username not affecting for contents issue
Merge pull request #549 from skpcharles/master

added fix for Selected Parent at registraion, Role: shows empty at Setting
Improved indexing of user contents query
Merge pull request #551 from RenukaGurumurthy/master

Improved indexing of user contents query
added rootnode id field for resource index
Fixed Issues at Remixing Quiz collection to My Collections
Merge pull request #552 from skpcharles/master

Fixed Issues at Remixing Quiz collection to My Collections
Merge pull request #553 from kadhireshg/master

added rootnode id field for resource index
Do-5411 Google drive page,clicking cancel redirecting to Gooru setting page
Merge pull request #555 from PurnimaGS/master

Do-5411 Google drive page,clicking cancel redirecting to Gooru setting p...
*Fixed DO-5396 6.5 [BE] [Search] shows one review, but when I click on it no review shows up.