For ENG-4904, make SnapshotDaemon not give up if there are failure responses
For ENG-4904, remove the failure state completely
For ENG-4904, always wait
For ENG-4904, demote messages to warn
ENG-5471: Call deleteTupleFinalize() when rolling back inserts.

deleteTupleFinalize() actually takes care of notifying the table streamer
now. To remove the tuple from the contexts on insert rollback, it needs to fall
through this instead of releasing the tuple memory directly.
Merge pull request #966 from VoltDB/ENG-4904

Eng 4904 Never gonna give you up on auto snapshots
Merge pull request #967 from VoltDB/ENG-5471

ENG-5471: Call deleteTupleFinalize() when rolling back inserts.
Merge branch 'master' into ENG-5486-paul