ISPN-4753 Add oldValue, oldMetadata and retry flag to filter and convert...

...er for

Cluster Listeners.

* Added new filter and converter specifically for listeners

https://issues.jboss.org/browse/ISPN-4753
I am thinking of changing these to instead take an Object and Metadata directly so we don't need to clone the Entry and it should work for pre events easier as we won't have an Entry there either.