ENG-1565: For code review. Micro-optimization for single min()/max() using IndexScan with inlined LIMIT.
Merge branch 'master' into ENG-1565
ENG-1565: some fixes and a new regression test.
ENG-1565: add support for edge cases and adHoc queries.
Merge branch 'master' into ENG-1565
ENG-1565: fixes based on Paul's feedback.
ENG-1565: Do NOT use hash index for optimization.
Merge pull request #611 from VoltDB/ENG-1565

ENG-1565: For code review. Micro-optimization for single min()/max() usi...
Merge pull request #637 from VoltDB/CORE-team

Core team pick up ENG-1565 merge -- already reviewed.