Docs: Fixed navigaton links to about page and community page
Website: Removed the website sources from the repo. The website sources are now hosted on github.com/dotcloud/www.docker.io/
Merge pull request #1274 from dhrp/headings_website

Removed website and updated headings.
Change reserve-compatibility to reverse-compatibility
Merge pull request #1305 from gaffo/fix-spelling

Change reserve-compatibility to reverse-compatibility