WIP work for txnid-selfcheck2
ENG-4155: Add a determinism test that fails.
Next step: fix!
ENG-4155: WIP fix for determinism detection failure.
ENG-4155: Make the determinsim check much more robust.
Merge remote-tracking branch 'origin/master' into txnid-selfcheck2-wip
ENG-4155: Two more test cases and a newline.
Merge pull request #318 from VoltDB/txnid-selfcheck2-wip

Txnid selfcheck2 wip