Website move

[Tim Janik <timj gtk org>]

hi all.

The beast website has been moved to a new documentation tool which will fix the
current build problems with beast documentation and can be better tailored to
the project needs. Many small things have been fixed all over the site, and
there's also new content because we can generate proepr reference documentation
now.

some things still need to be worked on, such as extending the reference docu
generation and reworking the documentation shipped in beast tarballs.
however regenerating the full website from the new tool was the biggest leap
in the whole process, and the rest can be solved incrementally.

The site layout and HTML have also been improved during the move, the website
should be much more portable across different browsers now.
Please feel free to explore the new site and report any problems you encounter
(broken links, missing redirects, layout problems, etc).

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ciaoTJ