Add jcl-over-slf4j

git-svn-id: https://svn.apache.org/repos/asf/cxf/trunk@1520093 13f79535-47bb-0310-9956-ffa450edef68
[CXF-5225] Also add the request context information (like ENDPOINT_ADDRESS)

git-svn-id: https://svn.apache.org/repos/asf/cxf/trunk@1520094 13f79535-47bb-0310-9956-ffa450edef68