Implemented cluster logic for copy/create collection
Merge pull request #465 from sheebans/master

Implemented cluster logic for copy/create collection
Improved deleting cookie logic
Merge branch 'master' of https://github.com/Gooru/Gooru-Core-API
Merge pull request #464 from cyrilraja/master

*Implemented CORE-1474 Need V2 support for CheckResourceExists and added New logic for Event Logs
improve Eventlogs for ClasspageServiceImpl