Merge remote-tracking branch 'goorus/master'
Merge remote-tracking branch 'goorus/master'
*improvements on Feedback
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
Merge remote-tracking branch 'goorus/master'
Removed unused code and code improvement
added API support for fetch the standards
Merge remote-tracking branch 'gooru/master'

Conflicts:
	api/src/main/java/org/ednovo/gooru/infrastructure/persistence/hibernate/taxonomy/TaxonomyRepositoryHibernate.java
added API support for fetch the standards - resolved conflict
added API support for fetch the standards - resolved conflict
added API support for fetch the standards
added API support for fetch the standards
added API support for fetch the standards
added API support for fetch the standards
added API support for fetch the standards