Google Code-in

A Zulip integration is a special type of bot that brings information from the outside world into Zulip. Help add integrations to Zulip!

Instructions for all integrations tasks are at https://github.com/zulip/zulip-gci/blob/master/tasks/2017/webhook-integrations.md

For this task, do Task Type D for the Opbeat integration (a performance monitoring tool for JavaScript developers).