ISPN-3910 Update HotRod protocol specification to include the authentication verbs
ISPN-3910 HotRod Server authentication implementation
ISPN-3910 Hot Rod Client Authentication
ISPN-4174 Security Audit
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 Transaction executed multiple times due to forwarded CommitCommand

Make rollback commands synchronous, but without sending a TxCompletionCommand.
ISPN-3910 Update the security integration tests to work with the latest interface changes