Version Control With Subversion Source

Enter first half of 2nd-round copyedits (most of them) to chapter 4.

Enter 2nd-round copyedits (most of them) for Appendixes A and B.

Enter 2nd-round copyedits (most of them) for Chapter 1.

Enter 2nd-round copyedits (most of them) for Foreword and Preface.

* src/en/book/ch09-reference.xml
Fix summary of 'svnadmin setrevprop' subcommand to not imply that it
only sets property names.

Patch by: Wim Lewis <wiml {at} hhhh.org>

* src/en/book/ch01-fundamental-concepts.xml
Minor wording tweak.

Suggested by: Nicolas Anzalone <nicolas.anzalone {at} gmail.com>

* src/en/book/ch03-advanced-topics.xml
(svn.advanced.changelists): Fix changelist name used in example.

Patch by: Trevor Johns <trevor {at} tjohns.net>

* src/en/book/ch03-advanced-topics.xml
Fix some paths in a rename example.

Reported by: Michael R. Mayne <mmayne {at} hhsys.org>

Enter O'Reilly second-round copyedits.

* src/en/book/ch04-branching-and-merging.xml
Lose "at the time of writing" phrase, which we agreed long ago to do
our darnedest to avoid.