Merge pull request #364 from sheebans/master

Fixed duplicate shelf creation issue.
constantProperties

Conflicts:
	gooru-
core/src/main/java/org/ednovo/gooru/core/constant/ConstantProperties.java
added constants
*added constants User Management Rest Controller

Conflicts:
	api/src/main/java/org/ednovo/gooru/domain/service/userManagement/UserManagementServiceImpl.java
added constants
added constants
*added constants in Colloborator Service implementation

Conflicts:
	api/src/main/java/org/ednovo/gooru/domain/service/CollaboratorServiceImpl.java
added constants
*added constants for v2 classpage controller

Conflicts:
	rest-
v2-app/src/main/java/org/ednovo/gooru/controllers/v2/api/ClasspageRestV2Controller.java
*added constants for classpage service implementation

Conflicts:
	api/src/main/java/org/ednovo/gooru/domain/service/classpage/ClasspageServiceImpl.java
added constants
*added missing constants in constant properties
*added constants for Party, Question, Taxonomy and Task

Conflicts:
	gooru-
core/src/main/java/org/ednovo/gooru/core/constant/ConstantProperties.java
added constantproperties for collectioncollabarator content

Conflicts:
	gooru-
core/src/main/java/org/ednovo/gooru/core/constant/ConstantProperties.java
*added constants folder

Conflicts:
	rest-
v2-app/src/main/java/org/ednovo/gooru/controllers/v2/api/FolderRestV2Controller.java
Merge pull request #365 from cyrilraja/master

*Moving constants in constant properties
Added support for Scaling partner libraries
Merge pull request #366 from skpcharles/master

Added support for Scaling partner libraries
*fixed deleteFolder Issue
Merge pull request #367 from cyrilraja/master

*fixed deleteFolder Issue