Version Control With Subversion Source

Book Spanish. Translated two paragraphs.

* src/en/TODO
Create a section for voting on third-party tools to endorse.

* src/en/book/appc.xml
Tone down the explanation of why there's no data in this appendix any more.

Prep Appendix C for its future -- focused endorsement of tools we the authors
think are noteworthy.

Rename appd.xml to appc.xml.

Rename appc.xml to appb.xml.

So long, Appendix B. We don't do information redundancy any more.

* src/en/book/appb.xml
Deleted.

* src/en/book/book.xml
No longer pull in appb.xml.

* src/en/book/ch09.xml
Don't xref to the FAQ any more.

* src/en/book/ch07.xml: continue fleshing out locking section.

Book Spanish. Translated two paragraphs.

Minor fixes. Patch by Chris Pepper <pepper@...>.

* src/en/book/ch05.xml
(Berkeley DB): s/clean/cleans/ (subject-verb agreement);
s/BerkeleyDB/Berkeley DB/
(FSFS): s/time-out/time out/ (I believe this is more appropriate,
but both are common usage).

* src/en/TODO
Remove the TODO about the new revprop hook action arguments
and stdin utility -- the book doesn't cover hooks in that
level of detail because the hook templates are self-describing.