• MFen: Update the German documentation set.

doc/de_DE.ISO8859-1/share/sgml/teams.ent 1.5 -> 1.8
doc/de_DE.ISO8859-1/share/sgml/trademarks.sgml 1.5 -> 1.6
doc/de_DE.ISO8859-1/share/sgml/mailing-lists.ent 1.56 -> 1.57
doc/de_DE.ISO8859-1/articles/contributing/article.sgml 1.506 -> 1.508
doc/de_DE.ISO8859-1/books/porters-handbook/book.sgml 1.878 -> 1.885
doc/de_DE.ISO8859-1/books/fdp-primer/examples/appendix.sgml 1.16 -> 1.17
doc/de_DE.ISO8859-1/books/fdp-primer/sgml-primer/chapter.sgml 1.45 -> 1.46
doc/de_DE.ISO8859-1/books/handbook/colophon.sgml 1.8 -> 1.9
doc/de_DE.ISO8859-1/books/fdp-primer/the-website/chapter.sgml 1.21 -> 1.23
doc/de_DE.ISO8859-1/books/handbook/eresources/chapter.sgml 1.182 -> 1.183
doc/de_DE.ISO8859-1/books/handbook/introduction/chapter.sgml 1.120 -> 1.121

Obtained from: The FreeBSD German Documentation Project.
Approved by: jkois (mentor)