Version Control With Subversion Source

nebiac suggestion accepted.

Mention that the options "--help", "-h" and "-?" are synonyms for "help".

* en/book/ch09.xml
(svn.ref.svn.c.help): Mention that there are option synonyms for "help".

Update the documentation of "help" and "--version" to add some missing
information and to match the changes made in Subversion trunk r20301 and
r20353 to handle "help" and "--version [--quiet]" as two distinct commands.

* en/book/ch09.xml
(svn.ref.svn.sw): Mention the "--quiet" variant of "--version".
(svn.ref.svn.c.help): Update the list of switches.

Book Spanish. Translated two paragraphs.

Fix a text-formatting style.

* en/book/ch09.xml
(svn.ref.properties): Remove "command" style from the title.

Book Spanish. Translated one paragraph.

just first title modified

added foreword and copyright to items list to be translated

verify end (on my side) still to be validated from miky

- translation status update
- some convention about spacing introduced