Add the external reference

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/platform/trunk@181931 a5903396-d722-0410-b921-86c7d4935375
wait message for disable/enable user stores

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/platform/trunk@181934 a5903396-d722-0410-b921-86c7d4935375