ENG-5368: fix timing hole?
ENG-5368: handle unexpectedFailure
ENG-5368: revert changes.
For ENG-5860, log asynchronously except for fatal and error, and still preserve order.
For ENG-5853, maintain a configurable minimum ratio of task log txns to live txns during replay instead of 10:1
For ENG-5860, add missing break
For ENG-4230, don't start recording txns during live rejoin until the snapshot fragment is received
For ENG-5853, bug fix base on Ning's feedback and as well as comment tweak
Merge pull request #1134 from VoltDB/ENG-5853

For ENG-5853, maintain a configurable minimum ratio of task log txns to ...
Merge pull request #1137 from VoltDB/ENG-4230

For ENG-4230, don't start recording txns during live rejoin until the sn...
Merge pull request #1133 from VoltDB/ENG-5860

For ENG-5860, log asynchronously except for fatal and error, and still p...
Merge pull request #1136 from VoltDB/ENG-5368

Eng 5368
Merge branch 'master' of github.com:VoltDB/voltdb into ENG-5831-check-constraint