message: Add /start to show the setMxId above HomePage
diff: @@ -991,6 +991,11 @@ module.exports = React.createClass({
  dis.dispatch({
  action: 'view_home_page',
  });
  + } else if (screen == 'start') {
  + this.showScreen('home');
  + dis.dispatch({
  + action: 'view_set_mxid',
  + });
  } else if (screen == 'directory') {
  dis.dispatch({
  action: 'view_room_directory',
  