ENG-5421. Fix kit tester.
- It needed to wait longer on startup
- While in there, I made some parts a little clearer
- Tracking of things not started is a little better, but it
is still difficult to figure out what happened in failures
Remove extra assumeunique boolean variable for function that returned index
Merge branch 'master' of github.com:VoltDB/voltdb into ENG-731-assume-unique