Fedora 18 is End-of-Life. https://lists.fedoraproject.org/pipermail/announce/2014-January/003194.html
Moved Fedora 18 and Debian 7.2 to EOL list
Merge pull request #168 from juliandunn/eol-oses

End-of-life: Fedora 18 and Debian 7.2