added final and removed unused codes
Merge remote-tracking branch 'goorus/master'
Merge remote-tracking branch 'goorus/master'
Merge remote-tracking branch 'goorus/master'
Merge remote-tracking branch 'goorus/master'
*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 'goorus/master'
Merge remote-tracking branch 'gooru/master'
Implemented CORE-1403([Authority] Need to use appropriate entity operation in APIs).
Implemented CORE-1403
*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 remote-tracking branch 'gooru/master'
Removed unwanted codes