Fixing https://wso2.org/jira/browse/WSAS-1481

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/platform/trunk@181614 a5903396-d722-0410-b921-86c7d4935375
adding postgresql

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/platform/trunk@181619 a5903396-d722-0410-b921-86c7d4935375