grim/convey

Make util package.
cleanup-on-signal
2017-10-13, Eric Fritz
137e9068c5f0
Make util package.
Gary Kramlich <grim@reaperworld.com>
Keith Petkus <keith@keithp.net>
Eric Fritz <eric@eric-fritz.com>
Erik Davidson <erik@erikd.org>
Anatzum