MFde: Update the German website.
www/de/about.sgml 1.12 -> 1.13
www/de/developers.sgml 1.187 -> 1.190
www/de/features.sgml 1.33 -> 1.34
www/de/where.sgml 1.94 -> 1.97
www/de/docs/books.sgml 1.30 -> 1.32
www/de/docs/webresources.sgml 1.7 -> 1.8
www/de/share/sgml/news.xml 1.149 -> 1.156
www/de/share/sgml/press.xml 1.46 -> 1.47
Obtained from: The FreeBSD German Documentation Project