MFbed: Update the German website.

www/de/includes.sgml fixes only (Hello 2006!)
www/de/includes.xsl fixes only (Hello 2006!)
www/de/index.xsl 1.139 -> 1.141
www/de/internet.sgml 1.34 -> 1.35
www/de/docs/books.sgml 1.11 -> 1.12
www/de/docs/man.sgml 1.3 -> 1.5
www/de/docs/webresources.sgml 1.3 -> 1.5
www/de/news/news.xml 1.352 -> 1.359
www/de/news/press.xml 1.56 -> 1.57
www/de/platforms/pc98.sgml 1.13 -> 1.14
www/de/projects/newbies.sgml 1.48 -> 1.49
www/de/security/security.sgml 1.181 -> 1.182

Obtained from: The FreeBSD German Documentation Project.