message: Ensure that loading state is reset when showing app panel.
diff: @@ -176,6 +176,10 @@ export default React.createClass({
  if (nextProps.url !== this.props.url) {
  this._getNewUrlState(nextProps);
  this.setScalarToken();
  + } else if (nextProps.show && !this.props.show) {
  + this.setState({
  + loading: true,
  + });
  }
  },
  