ENG-4356: Make HSQL parse SQL-in for a list of expressions/values.
Fix broken license.
ENG-4356: Fix dumb cross-dependency issue due to javadoc comment.
ENG-4356: pmartel review feedback.
Merge remote-tracking branch 'origin/master' into ENG-4356-parse-in
Merge pull request #535 from VoltDB/ENG-4356-parse-in

Eng 4356 Make HSQL parse in and create SQL-In expressions as needed.