[Xmonad] darcs patch: Website: Add GNOME howto, integrate with main page and FAQ (and 1 more)

[Don Stewart]

alextarkovsky:
> These are for the website. First patch adds the GNOME/xmonad howto and
> links to it from the front page and FAQ.
> 
> Second patch fixes <pre> sections so that long lines won't make the page
> too wide and break layout.

Thanks for these! Applied.

-- Don