WFLY-2298 Redesign @Stateful EJB clustering
Restore legacy resources/attributes for better compatibility with older versions.
[WFLY-2520] Support for resource deprecation metadata
Deprecate file-passivation-store and cluster-passivation-store resources
Stablize CommandDispatcherTestCase.
WFLY-2521 EJB backing cache's can generate large retention from cancelled tasks in its scheduled executor's DelayedWorkQueue