added new method to invoke user commands that have redirection characters >> in them
not querying the apichecker every 20 seconds, but making it configurable
sending a polite kill before sending a SIGKILL, and properly downscaling
Merge pull request #822 from shatterednirvana/graceful-kill-on-stop

sending a polite kill before sending a SIGKILL, and properly downscaling
Merge pull request #820 from shatterednirvana/api-status-checks-less-frequently

not querying the apichecker every 20 seconds, but making it configurable
Merge pull request #803 from shatterednirvana/bootstrap-commands-with-redirection

Allowing user commands to have >> characters in them
Merge remote-tracking branch: upstream/master