Version Control With Subversion Source

* tools/bin/find-xsl.py (candidate_xsldirs): Add comments, and Debian's location for
the DocBook XSL stylesheets.

Partially revert r1203, which in part talked about the keyword canonicalization
feature which has been reverted from Subversion.

* en/book/ch07.xml (svn-ch-7-sect-2.3.4): Rewrite wording to preserve good bits of
r1203 whilst removing parts that spoke specifically about canonicalization.
Undo some over-enthusiastic standardization from r1203 - say "abbreviated" not
"also specified" in the HeadURL/URL case.

Move find-xsl.py into the tools/bin directory.

* tools/find-xsl.py: Move...
* tools/bin/find-xsl.py: ...here, and adjust relative path in script.
* en/Makefile (ENSURE_XSL): Adjust to above, and move to more appropriate
location in file.

Book Spanish. Translated 16 paragraphs.

Update svn:keywords documentation to reflect the changes made by r13369 of
the source code.

* en/book/ch07.xml
(svn-ch-7-sect-2.3.4): Document that keywords are capitalization-
sensitive in files, describe the client canonicalization rules
for svn:keywords and define the canonical keyword names.

Fix incorrect htpasswd syntax.
Reported by David Steinbrunner <carbon@...>.

* en/book/ch06.xml: Fix ordering of options on htpasswd command line.

Describe the meaning of "R" in status output.
Based on a patch by Marcel Gosselin <marcel.gosselin@...>,
wording tweaked by me.

* en/book/ch03.xml (status output): Describe meaning of "R".

Tiny spacing tweak.

* en/book/ch03.xml (status output <variablelist>):
Fix the number of columns in example status lines.

Book Spanish. Translated two paragraphs.

Book Spanish. Translated two paragraphs.

Book Spanish. Translated two paragraphs.

Book Spanish. Translated two paragraphs. New glossary term.