[CXF-5454] Latest Jetty does not like empty -D params

git-svn-id: https://svn.apache.org/repos/asf/cxf/trunk@1550272 13f79535-47bb-0310-9956-ffa450edef68
Fix a javadoc warning

git-svn-id: https://svn.apache.org/repos/asf/cxf/trunk@1550273 13f79535-47bb-0310-9956-ffa450edef68
[CXF-5455] Make sure we use the correct service/port impl when generating the server

git-svn-id: https://svn.apache.org/repos/asf/cxf/trunk@1550274 13f79535-47bb-0310-9956-ffa450edef68
[CXF-5456] Use the port name for the impl.  Not backportable.

git-svn-id: https://svn.apache.org/repos/asf/cxf/trunk@1550275 13f79535-47bb-0310-9956-ffa450edef68