Committing patch provided by Venura Kahawala for Shared Roles

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/platform/trunk@178949 a5903396-d722-0410-b921-86c7d4935375
Committing patch provided by Venura Kahawala for Shared Roles

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/platform/trunk@178950 a5903396-d722-0410-b921-86c7d4935375