Yelp/Tron — pull request #294 by bobtfish (2014-08-20 15:40:20+00:00)
Title: Fix case where a machine crashes and won't restart.

sudo /etc/init.d/tron start
* Starting tron tron Daemon was running as 20990. Remove PID file.

makes no sense - the computer knows the PID file is unused,
it should be able to remove it