adding identity-mgt feature

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/platform/trunk@170641 a5903396-d722-0410-b921-86c7d4935375
adding identity.mgt.stub

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/platform/trunk@170642 a5903396-d722-0410-b921-86c7d4935375
adding identity.mgt componenets

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/platform/trunk@170643 a5903396-d722-0410-b921-86c7d4935375
adding identity.mgt

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/platform/trunk@170644 a5903396-d722-0410-b921-86c7d4935375