caching managment of secure vault registry look enhanced

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/platform/trunk@179157 a5903396-d722-0410-b921-86c7d4935375
caching managment of secure vault registry look enhanced

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/platform/trunk@179158 a5903396-d722-0410-b921-86c7d4935375