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
ISPN-3938 AdvancedAsyncCacheLoader.process() concurrency issues

Simplify ExecutorAllCompletionService to track the tasks itself instead of
using an ExecutorCompletionService.