* video/channel owner is MUC owner
* the bot is MUC owner
* the bot is admin on the MUC component
* Peertube moderators/admins have no more special access (by default)
* migration script to update all existing rooms
* renaming module list_rooms to manage_rooms
* added some API to update room info
* when a video or a channel is updated, sending an API call to update
the room