message: Link to Help center in logged out mobile menu
diff: @@ -31,6 +31,6 @@ nav.LoggedOutMenu.js-logged-out-menu
  ) Store
  a(
  - href='/faqs'
  + href='http://help.are.na/help_center'
  data-state= loggedOutMenuState('faqs')
  - ) FAQs
  + ) Help / FAQs
  