As requested here: http://xenforo.com/community/threads/last-edited-date-shown-at-pages.34377/
This addon will show the edit date in the footer (ONLY IF the page option Log and count visits to this page is enabled
This addon requires TMS.
If you don't have TMS installed, see the readme.html for install instructions
Github Repo: not available
If you want to support me and the development of free future add-ons, you can donate any value to my paypal account