Upgrade to Apache CXF 2.7.12

https://issues.jboss.org/browse/WFLY-3748

Needed in order to upgrade EAP.

Added related upgrades:
Apache CXF XJCPlugins : https://issues.jboss.org/browse/WFLY-3755
Apache WSS4J: https://issues.jboss.org/browse/WFLY-3752
Apache Santuario : https://issues.jboss.org/browse/WFLY-3753