*Implemented CORE-1543 In Resource Flag API add the collectionId field
*more changes on CORE-1543
Revert "*more changes on CORE-1543"

This reverts commit 38e6140b2bb2feecf8b2bd0ad17e4b644c889bde.
Merge branch 'master' of https://github.com/cyrilraja/Gooru-Core-API
changed exceptions and added constants for ScollectionServiceImp
Merge remote-tracking branch 'gooru/master'
collection fields cluster_uid, is_representative moved to resource table
Implemented CORE-1403([Authority] Need to use appropriate entity operation in APIs).
Implemented CORE-1403
removed code - resource file hash adding
*more changes on 1543
Merge remote-tracking branch 'gooru/master'
Merge branch 'master' of https://github.com/cyrilraja/Gooru-Core-API
Changed exception codings in message properties
Merge pull request #522 from rishwanthavr/master

collection fields cluster_uid, is_representative moved to resource table
CORE-1542 Add parent account user name and childaccount count in user search api
Merge remote-tracking branch 'gooru/master'
Removed unwanted codes
CORE-1542 Add parent account user name and childaccount count in user search api
Merge pull request #525 from rishwanthavr/master

CORE-1542 Add parent account user name and childaccount count in user se...