Adding a batch of negative tests for various UsernameToken policies

git-svn-id: https://svn.apache.org/repos/asf/cxf/branches/wss4j2.0-port@1461072 13f79535-47bb-0310-9956-ffa450edef68
Fixing build following principal namespace change

git-svn-id: https://svn.apache.org/repos/asf/cxf/branches/wss4j2.0-port@1461073 13f79535-47bb-0310-9956-ffa450edef68