message: explicitly check for modifier keydown events
diff: @@ -349,7 +349,8 @@ const LoggedInView = React.createClass({
  let handled = false;
  const ctrlCmdOnly = isOnlyCtrlOrCmdKeyEvent(ev);
  - const hasModifier = ev.altKey || ev.ctrlKey || ev.metaKey || ev.shiftKey;
  + const hasModifier = ev.altKey || ev.ctrlKey || ev.metaKey || ev.shiftKey ||
  + ev.key === "Alt" || ev.key === "Control" || ev.key === "Meta" || ev.key === "Shift";
  switch (ev.keyCode) {
  case KeyCode.PAGE_UP:
  