Sync with the FreeBSD German Documentation Project
Content update and various fixes for:

FAQ 1.481 -> 1.487
basics/chapter.sgml 1.77 -> 1.81
bibliography/chapter.sgml
boot/chapter.sgml
config/chapter.sgml 1.59 -> 1.69
cutting-edge/chapter.sgml 1.139 -> 1.140
desktop/chapter.sgml 1.8 -> 1.7
disks/chapter.sgml 1.110 -> 1.112
eresources/chapter.sgml 1.100 -> 1.101
kernelconfig/chapter.sgml
l10n/chapter.sgml 1.82 -> 1.84
mirrors/chapter.sgml 1.242 -> 1.244
ports/chapter.sgml 1.179 -> 1.181
ppp-and-slip/chapter.sgml 1.91 -> 1.93
security/chapter.sgml 1.115 -> 1.117
sound/chapter.sgml
users/chapter.sgml 1.35 -> 1.37

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