mesosphere/marathon — pull request #88 by guenter (2013-12-06 19:29:16+00:00)
Title: Fix shutdown behavior.

@brndnmtthws @ssorallen previous commit 1a39f8a removed `driver.stop()` so the JVM never exited.
`driver.stop(true)` allows JVM to exit on Ctrl-C and triggers scheduler failover.
Also use abdicate command for faster failover and more appropriate AbstractExecutionThreadService