MFbed: Update the German website.

www/de/docs/books.sgml 1.21 -> 1.22
www/de/news/news.xml 1.409 -> 1.416
www/de/news/press.xml 1.201 -> 1.203
www/de/platforms/alpha.sgml 1.4 -> 1.5

Obtained from: The FreeBSD German Documentation Project.