message: Use pre-calculated displaynames to handle dupes
diff: @@ -284,7 +284,7 @@ module.exports = React.createClass({
  }
  userEvents[userId].push({
  mxEvent: e,
  - displayName: e.getContent().displayname || userId,
  + displayName: e.target.name || userId,
  index: index,
  });
  });
  