MFde: Update the German website.

www/de/java/index.sgml fixes only
www/de/platforms/amd64.sgml 1.19 -> 1.21
www/de/projects/projects.sgml 1.206 -> 1.207
www/de/share/sgml/news.xml 1.122 -> 1.125

Obtained from: The FreeBSD German Documentation Project.