message: Commented component update check
  There's a React bug with the check - click Name sorter twice and it gets stuck - React fibre's in some infinite loop. Think it worked before 16.3 but the check isn't doing anything because it checks all props so ok to remove
diff: <script src="../../build/dist/navigation.react.js"></script>
  <script type="text/jsx">
  class List extends React.Component {
  - shouldComponentUpdate(nextProps) {
  + /* shouldComponentUpdate(nextProps) {
  return nextProps.startRowIndex !== this.props.startRowIndex || nextProps.maximumRows !== this.props.maximumRows
  || nextProps.sortExpression !== this.props.sortExpression || nextProps.name !== this.props.name;
  - }
  + } */
  render() {
  var people = personSearch.search(this.props.name, this.props.sortExpression);
  var totalRowCount = people.length;
  