[CXF-5031] - Add support for SupportingToken policy assertions without a binding


Conflicts:
	rt/ws/security/src/main/java/org/apache/cxf/ws/security/wss4j/PolicyBasedWSS4JInInterceptor.java

git-svn-id: https://svn.apache.org/repos/asf/cxf/branches/wss4j2.0-port@1485241 13f79535-47bb-0310-9956-ffa450edef68