mediation secure vault component completed with editable feature

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/platform/trunk@179113 a5903396-d722-0410-b921-86c7d4935375
Committing idp-mgt stub

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/platform/trunk@179114 a5903396-d722-0410-b921-86c7d4935375