Refactored to use the use registry

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/platform/trunk@177949 a5903396-d722-0410-b921-86c7d4935375
Fixed APIMANAGER-1392

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/platform/trunk@177950 a5903396-d722-0410-b921-86c7d4935375
Manoj's patch for BPS-259

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/platform/trunk@177951 a5903396-d722-0410-b921-86c7d4935375