MFbed: Update the German web site.

releases/4.6.2R/announce.sgml fixes only
releases/4.6.2R/hardware.sgml header update
releases/5.0R/Makefile add announcement
releases/5.0R/announce.sgml new translation
index.xsl 1.90 -> 1.92
news/press.xml 1.113 -> 1.117
news/news.xml 1.185 -> 1.186

Obtained from: The FreeBSD German Documentation Project