For ENG-4262, add exception handling to avoid lost exceptions
ENG-2675 Clearer error text when master rejects dragent.
Merge remote-tracking branch 'origin/master' into eng-2675
Make SnapshotSave less log-noisy.
ENG-4319: Demote log messages for both less verbosity and less
unnecessary panic.
ENG-4330: When starting as a replica, indicate this condition to the
forlornly lonely logless console.
Merge pull request #383 from VoltDB/eng-2675

Eng 2675
Merge pull request #379 from VoltDB/ENG-4262

For ENG-4262, add exception handling to avoid lost exceptions
selfcheck2 fix: add a race-condition fix to the adhoc path which was
added to the non-adhoc path a while ago.
Merge branch 'master' into dietCoke
Consistently assign LogProxy memory management to the Topends (JNI, IPC, or various Mock/Test).