*CORE-1235 Need Api support for Update the Resource url
added constants for ClasspageRestV2Controller
Merge branch 'master' of https://github.com/cyrilraja/Gooru-Core-API
added constants for ConstantProperties
added constants for FeedbackRestV2Controller
added constants for UserManagementRestV2Controller
Code improvements and removed unused codes
Merge remote-tracking branch 'goorus/master'
Removed unused codes
Removed unused codes and code improved
Merge remote-tracking branch 'goorus/master'
Merge remote-tracking branch 'gooru/master'
Merge remote-tracking branch 'gooru/master'
Removed unused codes and improved variable names
Removed unused codes and improved naming conversion for variables
Resolved Conflicts
Merge remote-tracking branch 'gooru/master'
Merge remote-tracking branch 'gooru/master'
Merge pull request #451 from PurnimaGS/master

Changes made in hibernate query due to code clean up for admin project
Merge pull request #445 from vksvenkat/master

Code improvements and removed unused codes