message: Allow bypass of widget loading screen on hide / show.
diff: @@ -217,7 +217,7 @@ export default React.createClass({
  if (nextProps.url !== this.props.url) {
  this._getNewState(nextProps);
  this.setScalarToken();
  - } else if (nextProps.show && !this.props.show) {
  + } else if (nextProps.show && !this.props.show && this.props.waitForIframeLoad) {
  this.setState({
  loading: true,
  });
  