WFLY-2923 Remove weak hash map from the WorkCacheManager

Replace with an explicit unload on undeploy
Fix incorrect listener class name in JAX-RS Spring integration
WFLY-3039 BZ1070636 Upgrade to HAL 2.2.0.Beta2
Merge pull request #5969 from hpehl/WFLY-3039

WFLY-3039 BZ1070636 Upgrade to HAL 2.2.0.Beta2
WFLY-2205 Undeployment prints null