Version Control With Subversion Source

* src/en/book/ch09-reference.xml
Remove --accept option from 'svn checkout'.

Suggested by: Karl Heinz Marbaise

* src/en/book/ch03-advanced-topics.xml
(svn.advanced.locking.meanings): Clear up some numbering confusion.

Patch by: Julian Foad

* src/en/book/ch02-basic-usage.xml
A few minor fixes.

Patch by: Jens M. Felderhoff

* src/en/book/ch08-embedding-svn.xml
Fix 'svn --version' output to show Subversion 1.5.0, not the beta thereof.

Patch by: Karl Heinz Marbaise

One more things in Chapter 9, thanks to Karl Heinz Marbaise
(khmarbaise@...):

- Remove -R as an alias to --reintegrate. That was wrong.

* src/en/book/ch09-reference.xml: Fix.

Several things in Chapter 9, thanks to a great tech review from Karl
Heinz Marbaise (khmarbaise@...):

- Fix typo
- Add abbrev for --limit
- Remove unnecessary abbrev for --revision in --record-only doc

* src/en/book/ch09-reference.xml: Fixes.

Lose the 'Subversion's Features' section.

Move 'svndumpfilter' mention down in the list (it's less essential).

* src/en/book/ch00-preface.xml
s/BerkeleyDB/Berkeley DB/. Lose a bunch <quote> tags. Don't refer
to svn:externals as a feature (it's an implementation; "externals
definitions" is the feature).

Fix some long lines.