improvements on eventlogs for AccountServiceImpl
improvements on eventlogs for UserManagementServiceImpl
added eventlog files for packages
*Implemented CORE-1474 Need V2 support for CheckResourceExists
Merge branch 'master' of https://github.com/cyrilraja/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