For ENG-5803, based on Paul's feedback do some comments and refactoring
For ENG-5803, implemented Paul's suggestion incorrectly
For ENG-5803, finally get Paul's suggestion correct
For ENG-5959, add HdrHistogram
For ENG-5959, use HdrHistogram to track latency for VEM and microsecond precision for timing
For ENG-5959, thread safety for fun and profit
For ENG-5959, fix test bugs for latency stats
For ENG-5959, fix test bug
Fix the epic headache that is shutdown in unit tests.
For ENG-5803, remove dead code loadFactor()
ENG-5973: Suppress pro class warning in community.
Merge pull request #1174 from VoltDB/ENG-5973

ENG-5973: Suppress pro class warning in community.
Merge pull request #1166 from VoltDB/ENG-5803

Eng 5803 support for disabling compaction with Paul's feedback
Merge pull request #1169 from VoltDB/ENG-5959

Eng 5959 Everything is awesome when histograms are part of the team
Merge branch 'master' of github.com:VoltDB/voltdb into innovation-xin-perf
get rid of serializing value size for most expressions