ISPN-4301 Handle storeMetadata=false in JpaStore.process and JpaStore.purge methods
ISPN-4301 Fixing process() behaviour in other stores (honor the fetchValue & fetchMetadata properly)
ISPN-4636 Upgrade to Hibernate Search 5.0.0.Alpha6
ISPN-4461 Add VERIFY_SUSPECT back in JGroups UDP stack
ISPN-4638 Add ability to remove filter/converter factories

* Extension manager service should allow for filter/converter factories
to be removed when their undeployed (via their service stop() method).
* Extension manager service should allow for Hot Rod servers to be
removed when their removed (via their service stop() method).