MFde: Update the German website.
www/de/administration.sgml 1.24 -> 1.25
www/de/developers.sgml 1.219 -> 1.226
www/de/index.xsl 1.167 -> 1.169
www/de/share/sgml/header.l10n.ent 1.10 -> 1.11
www/de/share/sgml/news.xml 1.254 -> 1.260
www/de/share/sgml/press.xml 1.82 -> 1.83
Obtained from: The FreeBSD German Documentation Project