Version Control With Subversion Source

* www/tools/make-ad-sense.py
* www/index.en.html
Make the switch from text to text+image AdSense ads.

Book Russian. Editing in progress.

Book Spanish. Finished the initial translation of the appendix C

* en/book/ch08.xml: Consistently use parentheses after function names and
function-like macros in <function> markup.
Consistently place foo_t structs in <structname> markup.
Eliminate oblique references to the SWIG-Java bindings.
Be slightly more optimistic about the bindings' maturity.
Do not be implausibly optimistic about the ease of adding new SWIG languages
to the Subversion bindings supported set.

* en/TODO: Suggest that the Python bindings examples need work.

Book spanish. A bit more of appc and a few typos corrected ind ch05

* en/TODO: Register TODO item on example 8.5.

* en/book/ch08.xml: Update example 8.4 (entries file) for 1.2.

* en/book/ch08.xml: Add omitted libsvn_diff to the library summary table,
and rephrase libsvn_delta and libsvn_ra_svn descriptions.
Update 'svn --version' <screen> section.
Say '<Location> directive' not 'Location directive', when referring to the
Apache <Location> container directive.
Plurality typo fix: Subversion has more than one datatype!
Update 'svn checkout' <screen> section.
Update references to 'HACKING' to 'www/hacking.html'.

Book Spanish. Updated information about web source.

* src/en/book/ch00.xml
* src/en/book/ch08.xml
s/sysadmin/system administrator/. Patch sorta kinda by Martin A. Brooks
<martin@...>.