[CXF-5568] Optionally disabling the selection of bean services

git-svn-id: https://svn.apache.org/repos/asf/cxf/trunk@1569383 13f79535-47bb-0310-9956-ffa450edef68
[CXF-5568] Restricting the check only if ClassLoader is requested

git-svn-id: https://svn.apache.org/repos/asf/cxf/trunk@1569395 13f79535-47bb-0310-9956-ffa450edef68