Add headless switch to voltdb processes.
Merge branch 'master' into newrelic-plugin
Merge branch 'master' into newrelic-plugin
Merge branch 'master' into newrelic-plugin
kick pro build
Merge branch 'master' into newrelic-plugin
Fix test leader and see if it works on jenkins
Use Cancallable watcher for election event handler as well.
rename watcher to electionWatcher to properly named watcher.
Merge branch 'master' into ENG-4617
ENG-4617 fix.
ENG-4617 fix.
ENG-4617 fix.
ENG-4617 fix.
ENG-4617 fix.
Recheck children if we dont fine lower node and find holes.
Merge branch 'master' into ENG-4617

Conflicts:
	bin/voltdb
Dont wait 5 days
No Change needed in ZKUtil
Merge branch 'master' into ENG-4617