Update handbook to be in sync with the English version.

MFen:
Makefile: 1.97 -> 1.99 [2]
book.sgml: 1.164 -> 1.165 [2]
chapters.ent: 1.33 -> 1.34 [2]
preface/preface.sgml: 1.30 -> 1.31 [2]
disks/chapter.sgml 1.256 -> 1.257
mac/chapter.sgml: 1.53 -> 1.65
mirrors/chapter.sgml: 1.412 -> 1.416
ports/chapter.sgml: 1.253 -> 1.256
security/chapter.sgml: 1.292 -> 1.293

While I'm there, merge language improvements done at the FreeBSD
Simplified Chinese Project:
advanced-networking/chapter.sgml
basics/chapter.sgml [1]
config/chapter.sgml
cutting-edge/chapter.sgml [1]
disks/chapter.sgml [1]
install/chapter.sgml
linuxemu/chapter.sgml [1]
ppp-and-slip/chapter.sgml [1]
printing/chapter.sgml
users/chapter.sgml
vinum/chapter.sgml
x11/chapter.sgml

Some significant part submitted by: delhua [1]
[2] was part of the nanobsd contents

Obtained from: The FreeBSD Simplified Chinese Project