Add support for external users and leverage one external user per room_id. Also bump hall_deployment_gem to use the generic webhook service notifications
Add a delimiter to external userId generation for brain
Merge pull request #6 from Hall/feature/external_user_support

Add support for external users and leverage one external user per room_id. Also bump hall_deployment_gem to use the generic webhook service notifications
Merge pull request #7 from Hall/develop

Add deploy notification per server and external user support