message: hook up resizer events
diff: @@ -135,6 +135,13 @@ module.exports = React.createClass({
  componentDidMount: function() {
  this.dispatcherRef = dis.register(this.onAction);
  + this.resizer = new Resizer(this.resizeContainer, FixedDistributor, null, FlexSizer);
  + this.resizer.setClassNames({
  + handle: "mx_ResizeHandle",
  + vertical: "mx_ResizeHandle_vertical",
  + reverse: "mx_ResizeHandle_reverse"
  + });
  + this.resizer.attach();
  this.mounted = true;
  },
  @@ -632,7 +639,7 @@ module.exports = React.createClass({
  const subListComponents = mapProps(subLists);
  return (
  - <div className="mx_RoomList">
  + <div ref={(d) => this.resizeContainer = d} className="mx_RoomList">
  { subListComponents }
  </div>
  );
  