Pulls out WildFly XA Recovery specifics into a different project. Some
XA recovery code is still present and is used as integration points for
integrating TM XA recovery processes.
https://issues.apache.org/jira/browse/ACTIVEMQ6-6
Removed the jboss security implementations and also implemented the location of Transaction Managers using Service Loader and removed the jboss implementation.
Adds a new service extensions components used to house any extension
points for integration and extension. In addition this patch adds
initial extension points for XAResource wrapping.