Version Control With Subversion Source

* 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.

Add a blurb about not going crazy with large properties or property sets.

Suggested by: Karl Heinz Marbaise

* src/de/book/foreword.xml
* src/de/book/ch00-preface.xml
* src/de/book/ch01-fundamental-concepts.xml
* src/de/book/ch02-basic-usage.xml
* src/de/book/ch03-advanced-topics.xml
* src/de/book/ch04-branching-and-merging.xml
* src/de/book/ch05-repository-admin.xml
* src/de/book/ch06-server-configuration.xml
* src/de/book/ch07-customizing-svn.xml
* src/de/book/ch08-embedding-svn.xml
* src/de/book/ch09-reference.xml
* src/de/book/appa-quickstart.xml
* src/de/book/appb-svn-for-cvs-users.xml
* src/de/book/appc-webdav.xml

- merged the changes from the original english book
(R:3056:3180).
- forword.xml
- added the english original text, which had been removed
as preparation for final proof reading.
- ch00-preface.xml, ch01-fundamental-concepts.xml, ch02-basic-usage.xml,
ch09-reference.xml
- Fixed the conflicts.

* src/en/HACKING
Stop referring to "checking in" XML sources in a document that
clearly states that those same sources should talk about "commits"
instead of "checkins".

Found by: John Ryland <jryland@...>

- Fixed missing comma.

- Fixed email address.

* src/de/book/ch02-basic-usage.xml
- Incorporated changes of Jens M. Felderhoff
- Ticket #56-#62, #94 for the german
book translation.

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

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

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

* src/en/book/ch09-reference.xml: Tweak svn log docs.