Merge branch 'master' of github.com:VoltDB/voltdb
ENG-4073: Updating some doc links.
Merge pull request #310 from VoltDB/ENG-4008

Eng 4008
Update junit_legacy with two new exclusions.

We stopped running junit pro legacy at some point in time
and regressed two suites: TestResponseSampler and
TestPauselessRejoinFuzz when run in non-iv2 mode. The
junit-legacy suite has been added to pro CI; list these
exclusions to see if we can get a green run while debugging
the new regressions.
Revert change to the parameter order. Keep other changes to Hello World.
Back out 6650d6e112 merge of faulty ENG-4008 branch
ENG-4068 export on server verifiers now reads export files in the right chronological order
Merge branch 'master' into ENG-4068
ENG-4141, make the tests pass, probably reliably by removing some of the less productive validation that is redundant with apprunner
Factor out response deque polling in to common method.
Move common error/rollback-triggering code into pollForResponses()
Switch from take() to poll with a long timeout.  Deliver some
dev-useful deadlock info if we timeout and have no message.
Make logger static 4TW.
Add batches to AdHoc workload in txnid-selfcheck2.
Re-apply ENG-4008 changeset.
ENG-4068 print out timestamps with TZ info in ExportOnServerVerifier
Merge branch 'master' into ENG-4068
Fix the sqlcoverage merge issue between the union and numeric functions changesets.
ENG-4136: Add a state bit indicating whether or not a rejoining node
still has data and transactions (in the case of live rejoin)
outstanding.
ENG-4136: Pass the requestId string of the truncation snapshot which
completed to RealVoltDB.  Future use: figure out if the truncation
requested on rejoin is what completed.