airbnb/chronos — pull request #180 by GregBowyer (2014-01-15 04:40:37+00:00)
Title: Make it possible to use sentry for notifications

Sentry is one of many exception / event ledger services, the original
chronos supports only email notification.

This commit makes it possible to send notifications to sentry as well as
laying some of the groundwork for making notifications pluggable.