Version Control With Subversion Source

Checking in some work from the airplane.

* doc/book/outline.txt
Update with my current plans.

* doc/book/ch05.txt
Incremental checkin of latest changes.

* ch02.xml: little cleanups and rephrasings.

* ch04.xml: change the introduction. the rest of this will be
rewritten very soon.

Follow up to rev 3748. Use `svnlook youngest' instead of `svnadmin youngest'.

* doc/book/book/ch05.xml: Ditto.
* tools/backup/hot-backup.py: Ditto.
* tools/dev/stress.pl: Ditto.

Just be glad you're not updating over libsvn_ra_pigeons...

* everywhere: Remove "local variables:" eval blocks.

* subversion/libsvn_repos/hooks.c: But leave the vim stuff here.

* tools/dev/svn-dev.el, doc/book/tools/svnbook.el:
Get rid of obsolete loading instructions.

* HACKING: Describe how to load the elisp files from .emacs.

* doc/book/HACKING: Add querulous comment.

More more work on Chapter 3.

* doc/book/book/ch03.xml: Worked through 'examining your changes'

* doc/book/README:
Remove some stuttering.

* doc/book/book/ch02.xml:
Remove some stuttering.

* ch04.xml: remove the Vendor Branching section from here...

* ch06.xml: ...to here.

More work on Chapter 3.

* doc/book/book/ch03.xml: Moving on through.

Fix mime-type

* doc/book/tools/readme-dblite.html: New property