ENG-4236 safe mode command log replay
ENG-4236 fix recover command parsing
ENG-4236 improved selfcheck2 MP poison pill
Fix NPE, add support and tests for null passing in Object[] arrays for stored procedure params
Merge branch 'master' into ENG-4664
ENG-4236 addressed code review comments
ENG-4236 added new line at the end of StartAction source
Merge branch 'master' into ENG-4664
Add a run.sh function for masked-server
Merge pull request #495 from VoltDB/ENG-4236-replay

ENG-4236 implement RECOVER SAFE MODE
Refresh plannertester baseline plans to elide outputschemas -- tests great, less filling.
Merge pull request #496 from VoltDB/ENG-4664

Fix NPE, add support and tests for null passing in Object[] arrays for s...
Merge pull request #500 from VoltDB/notest-plannertester

Ran "ant plannertestrefresh" to force ALL plannertester baselines to use the new JSON.