MFbed: Update the German website.

www/de/Makefile 1.133 -> 1.134
www/de/about.sgml 1.2 -> 1.3 + fixes
www/de/includes.navabout.sgml 1.1 -> 1.3
www/de/includes.navcommunity.sgml 1.1 -> 1.3
www/de/includes.navdevelopers.sgml 1.2 -> 1.5
www/de/includes.navdocs.sgml 1.2 -> 1.5
www/de/includes.navdownload.sgml 1.2 -> 1.4 + fixes
www/de/includes.navsupport.sgml 1.2 -> 1.3
www/de/index.xsl 1.137 -> 1.139 + fixes
www/de/support.sgml 1.352 -> 1.354
www/de/docs/books.sgml 1.7 -> 1.11 + fixes
www/de/news/news.xml 1.347 -> 1.352
www/de/news/newsflash.xsl 1.14 -> 1.15
www/de/news/press.xml 1.175 -> 1.179
www/de/news/press.xsl 1.11 -> 1.12
www/de/platforms/index.sgml 1.15 -> 1.16
www/de/platforms/ia64/index.xsl 1.2 -> 1.3
www/de/platforms/ia64/todo.xsl 1.5 -> 1.5
www/de/security/security.sgml 1.180 -> 1.181

Obtained from: The FreeBSD German Documentation Project.