Version Control With Subversion Source

Minor fixes to the book.

* doc/book/book/appb.xml
Fix quoting: use "<quote>...</quote>" instead of "`...'".

* doc/book/book/ch00.xml
Fix punctuation.

* doc/book/book/ch02.xml
Update <screen> sections to match actual output of 'svn'.
Fix quoting: use "<quote>...</quote>" instead of "``...''".

* doc/book/book/ch03.xml
* doc/book/book/ch04.xml
* doc/book/book/ch07.xml
* doc/book/book/ch08.xml
Update <screen> sections to match actual output of 'svn'.

* doc/book/book/ch09.xml
Update <screen> sections to match actual output of 'svn'.
Remove a duplicate "Switches" section.

Currently we always require write access to the repository.

* doc/book/book/ch06.xml
The book implies that you can get by with read only access. Might
be nice to explain this why write access is necessary. But I'll stick
to minimal fixes at this late hour.

Book work.

* appb.xml: upgrade to the most recent FAQ questions.

Book beautification.

* doc/book/tools/fo-stylesheet.xsl
Use individual blocks for <variablelist> layout (read: "Oh my God
that looks a million times better than the default case!")

* book/book/appd.xml
Eliminate spurious whitespace in the rendered output.

Multivarious book changes (are we not done yet?)

Gloss over a few things.

* doc/book/book/glossary.xml: See above.

Know thyself!

* doc/book/book/foreword.xml: Brian -> Fitz.
* doc/book/book/ch00.xml: Missing Middle Initial.

Refine my acks.

* doc/book/book/ch00.xml: Tweak acknowledgement.

Document the "new" diff syntax in the reference section.

* doc/book/TODO: Remove comment.

* doc/book/book/ch09.xml: Fix svn diff documentation.

Remove some misused <firstterm>s, and make other textual adjustments.