message: Only send local echo RR if we're at the end
diff: @@ -513,12 +513,17 @@ var TimelinePanel = React.createClass({
  // do a quick-reset of our unreadNotificationCount to avoid having
  // to wait from the remote echo from the homeserver.
  + // we only do this if we're right at the end, because we're just assuming
  + // that sending an RR for the latest message will set our notif counter
  + // to zero: it may not do this if we send an RR for somewhere before the end.
  + if (this.isAtEndOfLiveTimeline()) {
  this.props.timelineSet.room.setUnreadNotificationCount('total', 0);
  this.props.timelineSet.room.setUnreadNotificationCount('highlight', 0);
  dis.dispatch({
  action: 'on_room_read',
  });
  }
  + }
  },
  // if the read marker is on the screen, we can now assume we've caught up to the end
  