am 05bca821: am ec54ca15: add redirect from nofification summary page to Notifications doc because this navigation is now flat so each doc is visible in side nav at top

* commit '05bca821e1c401bbd9dacb200aa0e6a2759c3478':
  add redirect from nofification summary page to Notifications doc because this navigation is now flat so each doc is visible in side nav at top