ISPN-4710 DistributedSegmentReadLocker should be allowed to skip ReadLocks on small files
ISPN-4753 Add oldValue, oldMetadata and retry flag to filter and converter for
Cluster Listeners.

* Added new filter and converter specifically for listeners
Replace sfl4j-jdk14 dependency with sfl4j-log4j12 so that jboss logging
writes to log4j in the cdi module (and dependents).

Add more debugging around cache listeners. It seems Class.getMethods()
sometimes returns synthetic methods created by overriding a generic method.