adding test-ui module 

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/platform/trunk@174900 a5903396-d722-0410-b921-86c7d4935375
adding svn external to crentral artifact repo

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/platform/trunk@174901 a5903396-d722-0410-b921-86c7d4935375