*more changes on DO-3873
Merge remote-tracking branch 'gooru/master'
Merge remote-tracking branch 'gooru/master'
*Fixed DO-3751 Copying collection hides (but keeps) standards
Merge remote-tracking branch 'gooru/master'

Conflicts:
	api/src/main/java/org/ednovo/gooru/domain/service/ScollectionServiceImpl.java
*Implemented CORE-648
Merge remote-tracking branch 'gooru/master'
*more changes on CORE-648
Merge pull request #76 from cyrilraja/master

*Implemented CORE-648