ISPN-4225 Upgrade to JGroups 3.5.0.Beta5
ISPN-4190 Use Message.Flag.DONT_LOOPBACK instead of RequestOptions.setExclusionList

DONT_LOOPBACK is now a transient flag
ISPN-4091 Source state and transactions from primary owners
ISPN-4108 Pessimistic tx for a union CH will not be forwarded to all owners