message: only re-show right panel if it was visible before we were mounted
diff: @@ -55,9 +55,13 @@ module.exports = React.createClass({
  componentWillUnmount: function() {
  this._unmounted = true;
  +
  + if (!this.props.collapsedRhs) {
  dis.dispatch({
  action: 'show_right_panel',
  });
  + }
  +
  dis.dispatch({
  action: 'ui_opacity',
  sideOpacity: 1.0,
  