====== Gitter ======

  * https://developer.gitter.im/docs/welcome
  * https://www.npmjs.com/package/node-gitter
  * https://www.npmjs.com/browse/keyword/gitter
  * https://factor.io/blog/build-your-own-chat-bot-with-gitter.html
  * https://github.com/LaravelRUS/Gitter
  * https://github.com/huafu/hubot-gitter2