For ENG-6050, try to provide a cleaner error message when a rejoin snapshot fails due to node failure
Merge pull request #1347 from VoltDB/ENG-6050

For ENG-6050, try to provide a cleaner error message when a rejoin snaps...
Add more test cases for subselect with partitioned tables
Merge branch 'master' of github.com:VoltDB/voltdb into ENG-6254-more-subselects