Adapting JCEMapper fix from Santuario + also adding functionality to use a single Symmetric Key for Encryption + Signature as per the SymmetricBinding

git-svn-id: https://svn.apache.org/repos/asf/webservices/wss4j/trunk@1491846 13f79535-47bb-0310-9956-ffa450edef68
Removing cxf-integration module

git-svn-id: https://svn.apache.org/repos/asf/webservices/wss4j/trunk@1491862 13f79535-47bb-0310-9956-ffa450edef68