Moderation Bot integration WIP:

* Start and stop the bot WIP
* Prosody: removing the BOSH module from the global scope (must only be present on relevant virtualhosts)
* Some refactoring

server/lib/room-channel/room-channel-class.ts

@@ -342,7 +342,7 @@ class RoomChannel {
           channelConfigurationOptionsToBotRoomConf(this.options, channelConfigurationOptions)
         )
 
-        await BotConfiguration.singleton().update(roomJID, botConf)
+        await BotConfiguration.singleton().updateRoom(roomJID, botConf)
         this.roomConfToUpdate.delete(roomJID)
       }