Improve UI of adding a new integration.

1. Improve UI of adding a new integration.

---

1. Ability to edit an existing integration.
   • See https://github.com/gitterHQ/gitter/issues/134
2. Allow additional integration modes, for example / commands, ability to create chat messages as opposed to just activity.
   • See https://github.com/gitterHQ/gitter/issues/583 and https://github.com/gitterHQ/gitter/issues/1300

If there are integrations we don't currently support and you would like to see, please either create a new issue for them or add them here in the comments.

SemaphoreApp Heroku Openshift Apear.in Drive giphy Dropbox CodeClimate IFTTT Pingdom Zapier MagnumCI

Created by: reimersjan

it would be awesome if the GitHub integration in an organization chatroom would automatically add newly created repositories.

the current situation isn't practical: delete existing integration - create new integration - select all repositories manually this is getting very annoying for organizations with 70+ repositories

Created by: azmelanar

Papertrail tutum