Version Control With Subversion Source

* doc/book/outline.txt: move 'vendor branches' to ch06, Advanced
Topics. Remove it from both ch04 and ch05. Reorganize ch04
outline. Put 'svn import examples' into the first section of ch05.

* doc/book/book/ch05.xml
More work on Chapter 5 of The Book.

* doc/book/book/ch05.xml
Chapter 5, the continuing saga.

* doc/book/book/ch05.xml
(Berkeley DB Management): fix some missindentation that made this section
tough to follow.

* doc/book/Makefile : add install targets.

* doc/book/outline.txt
Modify Chapter 5's outline.

* doc/book/book/ch05.xml
Re-org to match the outline, and do some rewriting of Section 5.1.

* doc/book/book/ch05.xml
Strictly formatting changes in preparation of the Big Rewrite.

Fixed spelling error. Testing out commit privileges.

Changed occurrences of 'revision control system' to 'version control
system' in the book, as specified in the HACKING file.

Patch from Zack Brown <zbrown@...>

* doc/book/book/ch01.xml: changed 'revision control system' to 'version
control system'

* doc/book/book/ch03.xml: changed 'revision control system' to 'version
control system'

* doc/book/book/ch04.xml: changed 'revision control system' to 'version
control system'

The following patch cleans up some texinfo artifacts. Patch
graciously provided by Matt Kraai <kraai@...>

* doc/book/book/ch03.xml: Clean up texinfo artifacts.

* doc/book/book/ch04.xml: Clean up texinfo artifacts.

* doc/book/book/ch05.xml: Clean up texinfo artifacts.