removed empty packages

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/kernel/trunk@177849 a5903396-d722-0410-b921-86c7d4935375
Rename AddElementAction to AddXMLElementAction

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/kernel/trunk@177850 a5903396-d722-0410-b921-86c7d4935375