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-4137 Transaction executed multiple times due to forwarded CommitCommand

* Remove the "skipTransactionCompletedCheck" transaction flag.
* Only mark the transaction as completed after running the prepare from
  state transfer (if needed).
* Do not try to roll back if commit fails and recovery is enabled.
ISPN-4137 test
More test
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