MFde: Update the German website.

www/de/Makefile 1.139 -> 1.145
www/de/community.sgml file removed
www/de/community.xsl new file/translation
www/de/share/sgml/navibar.l10n.ent 1.16 -> 1.20
www/de/share/sgml/news.xml 1.158 -> 1.160

Obtained from: The FreeBSD German Documentation Project