Fix rickroll url
Created by: Arinerron
Fix https://github.com/gitterHQ/gitter-markdown-processor/issues/6 Fix https://github.com/gitterHQ/gitter/issues/1242
We need a working rickroll video, please
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Created by: Arinerron
Fix https://github.com/gitterHQ/gitter-markdown-processor/issues/6 Fix https://github.com/gitterHQ/gitter/issues/1242
We need a working rickroll video, please