message: show the room name in the UDE Dialog
  especially useful when it appears after you switch rooms
diff: @@ -149,7 +149,7 @@ export default React.createClass({
  >
  <GeminiScrollbar autoshow={false} className="mx_Dialog_content">
  <h4>
  - This room contains devices that you haven't seen before.
  + "{this.props.room.name}" contains devices that you haven't seen before.
  </h4>
  { warning }
  Unknown devices:
  