Revert the push down limit feature with aggregate on non-partition column and order by
Forget to add the aggregate coordinator check
ENG-6671 resolved
resolve chris's review comments. Nice discussion on the code bug for order by coverage
ENG-6671 addressing Ning's comments
ENG-6671 Fixed Indentations and typo error
ENG-6671 Fixed Indentations
Merge pull request #1548 from VoltDB/ENG-6671-SchemaReport-fixup

Eng 6671 schema report fixup
ENG-6635 @UAC drop index fix
Merge pull request #1540 from VoltDB/ENG-6629-limit-pushdown-with-aggregate

Revert the push down limit feature with aggregate on non-partition colum...