Pull Request

Have a look through the list of commits to see the changes.
I have added ./_includes/home.html which ./404.html and ./index.html include so when updating the homepage update the ./_includes/home.html file.
Renamed Frontend to Front End, created Category Front End, Renamed
sitesupport-url to Support-URL and added links.
Renamed the Pre versions to Pre-MyBB-Version, removed Media Wiki notices
and Main Page. Chnaged Resources_sites.html to Resources_Sites.html.
Updated the footer links from /* to http://www.mybb.com/*
Added links to blog posts on the 180.html file.