Merge remote-tracking branch 'goorus/master'
Merge remote-tracking branch 'goorus/master'
Merge remote-tracking branch 'gooru/master'
*improvements on Feedback
Merge remote-tracking branch 'gooru/master'
Merge remote-tracking branch 'gooru/master'

Conflicts:
	api/src/main/java/org/ednovo/gooru/domain/service/FeedbackServiceImpl.java
	api/src/main/java/org/ednovo/gooru/infrastructure/persistence/hibernate/FeedbackRepositoryHibernate.java
Merge remote-tracking branch 'goorus/master'
Removed unused variables and code improvements
*Fixed [IClass & Assignment]  show proper error message
*Implemented Error validation CORE-1323 [Rating , Reactions & Tagging] Show proper validation error message
*naming convention on logger
Updated Pom.xml with latest Restlet Version
Code Quality Enhancement(Removed skipPagination and made relevant changes).
Code Quality Enhancement(Removed skipPagination and made relevant changes).
Merge remote-tracking branch 'goorus/master'
Removed unused code and code improvement
Merge pull request #407 from cyrilraja/master

*improvements on Feedback
Removed unused codes and improved codes
Merge pull request #408 from vksvenkat/master

Removed unused variables and code improvements
Merge pull request #410 from saravanab/master

Updated Pom.xml with latest Restlet Version