adding webapp-classloading.xml file into  cxf samples

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/platform/trunk@163051 a5903396-d722-0410-b921-86c7d4935375
adding default jaxrs basic sample back

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/platform/trunk@163052 a5903396-d722-0410-b921-86c7d4935375