Version Control With Subversion Source

Format the acknowledged names one per line -- our output formats don't care,
and it simplifies editing.

Remove unnecessary TODO.

* src/en/book/ch00-preface.xml: *poof*

Correctly alphabetize list of contributors. Also add Chuck Toporek to
the editors list (he was our very very very first editor).

Thanks to Malte Helmert (helmert@...) for the review.

* src/en/book/ch00-preface.xml: Nit fixes.

Fixup a few nits in the svnsync documentation.

Thanks to Lieven Govaerts (svnlgo@...) for the detailed review.

* src/en/book/ch09-reference.xml: svnsync-o fix-o.

Clarify some TODO comments.

Update my acks.

Delete empty svn:mergeinfo property.

Don't use SSL client cert examples while claiming they are LDAP ones.

* src/tools/bin/spew-svn-command-options.sh
New little helper script I used recently to check the reference section's
subcommands/options lists.

* src/en/book/ch06-server-configuration.xml
Finish Trac ticket #124: Document the authz-file aliases feature.