Fixed APIMANAGER-1391

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/platform/trunk@177954 a5903396-d722-0410-b921-86c7d4935375
updating the user core methods

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/platform/trunk@177955 a5903396-d722-0410-b921-86c7d4935375