now works with JMeter
Cleanup
Merge branch 'master' into ENG-2789
For ENG-4339, change elastic UI about adding capacity
Merge pull request #548 from VoltDB/ENG-2789

Eng 2789
Merge pull request #549 from VoltDB/ENG-4339

For ENG-4339, change elastic UI about adding capacity
ENG-4803: fix unbounded accept thread pool
perf charts: chart all branches and annotate series with latest value
perf charts: fix min args requirement
jenkins tools: fix job cloner
Create a static function to new a bounded thread pool executor in CoreUtils for authenticators.
remove unnecessary imports
Merge pull request #552 from VoltDB/ENG-4803

ENG-4803: fix unbounded authenticator thread pool
Merge pull request #554 from VoltDB/master

Refresh branch from master for final branch testing.