Add first step for support complex group by: remove the exception, uncomment the test case
Add support for complex group by. Still has a bug for order by
Merge branch 'ENG-4388-aggregate' of github.com:VoltDB/voltdb into ENG-3291-groupby
Merge branch 'master' of github.com:VoltDB/voltdb into ENG-3291-groupby
Fix the order by problem for complex groupby case without new projectionNode
Fix the licensecheck to use snprintf() function instead of sprintf()
Merge branch 'master' of github.com:VoltDB/voltdb into ENG-3291-groupby
Fix a group by expression bug, add more strong test cases
Code clean up
Combine the placing TVEs work in one function. Throw an error for materialized view. Clean up code for Paul's feedback.
Fix the materialized view expected failed test case
Fix the edge case, group by primary key with several pass through columns
Fix the failed test case. Revise the error message according to Andrew
Fix the error message, and another test case
Merge branch 'master' of github.com:VoltDB/voltdb into ENG-3291-groupby-fixup
Merge pull request #653 from VoltDB/ENG-3291-groupby-fixup

Eng 3291 groupby fixup
Useless commit to let github generate the compare view
Merge pull request #647 from VoltDB/ENG-3291-groupby

Eng 3291 groupby
Merge branch 'master' of https://github.com/VoltDB/voltdb into ENG-4938