Update Volt extensions to HSQL parser to be more selective when determining referent of SIMPLE_COLUMN.
For ENG-6859, reduce noise from shutdown in tests
Remove comment I made that I now think is incorrect.
ENG-7014: Make rejoin write timeout configurable.
Merge pull request #1711 from VoltDB/ENG-7014

ENG-7014: Make rejoin write timeout configurable.
Merge pull request #1710 from VoltDB/ENG-6926-gbcol-not-first-wrong-answer

Fix to SIMPLE_COLUMN resolution in HSQL parser