MFde: Update the German Documentation set.

doc/de_DE.ISO8859-1/articles/linux-comparison/article.sgml 1.10 -> 1.11
doc/de_DE.ISO8859-1/books/faq/book.sgml 1.1123 -> 1.1130
doc/de_DE.ISO8859-1/books/fdp-primer/book.sgml Fixes only
doc/de_DE.ISO8859-1/books/fdp-primer/sgml-primer/chapter.sgml 1.49 -> 1.50
doc/de_DE.ISO8859-1/books/handbook/Makefile 1.112 -> 1.113
doc/de_DE.ISO8859-1/books/handbook/cutting-edge/chapter.sgml 1.248 -> 1.249
doc/de_DE.ISO8859-1/books/handbook/install/chapter.sgml 1.394 -> 1.412
doc/de_DE.ISO8859-1/books/handbook/introduction/chapter.sgml 1.137 -> 1.138

Obtained from: The FreeBSD German Documentation Project