message: Add missing 'rel' to image view download button
  We're supposed to have this on every link off-site.
diff: @@ -207,6 +207,7 @@ export default class ImageView extends React.Component<IProps, IState> {
  a.href = this.props.src;
  a.download = this.props.name;
  a.target = "_blank";
  + a.rel = "noreferrer noopener";
  a.click();
  };
  