*fixed update resource event log resourceformat in payload
Merge pull request #362 from skpcharles/master

Added fix for Provide Grade support for the subjects in the Community Li...
Merge remote-tracking branch 'gooru/master'
*removed existing logs for update resource
*fixed item type in adding colloborator log
*fixed updateCollectionMetaData missing event
*Implemeneted CORE-1235 Need Api support for Update the Resource url
Merge pull request #363 from cyrilraja/master

*Implemeneted CORE-1235 Need Api support for Update the Resource url
Fixed duplicate shelf creation issue.
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