fixing DS-767

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/platform/trunk@183926 a5903396-d722-0410-b921-86c7d4935375
fixing DS-775

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/platform/trunk@183927 a5903396-d722-0410-b921-86c7d4935375
updating help page for fixing DS-774

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/platform/trunk@183928 a5903396-d722-0410-b921-86c7d4935375