Version Control With Subversion Source

* en/book/copyright.xml
Bump copyright years.

Edited wiki page SvnBook17Status through web user interface.

Created wiki page through web user interface.

* en/book/ch03-advanced-topics.xml
(svn.advanced.props.special.ignore): Firm up some verbage around the
default value of the 'global-ignores' runtime option

* en/book/ch03-advanced-topics.xml
(svn.advanced.externals): Document the "^/../REPO-NAME..." relative
URL syntax for externals definitions.

Patch by: Andreas Stieger <andreas.stieger{__AT__}gmx.de>
(Tweaked by me.)

Document the new svn:auto-props property.

* en/book/ch03-advanced-topics.xml
(svn.advanced.props.auto): Document the new property and add
some examples.

For issue 5 ("Document svnmucc"), add a section to Chapter 3 about
working-copy-less operations, and use it to introduce svnmucc. Then,
stub out a section in the Chapter 9 Reference to cover this tool in
detail.

* en/book/ch03-advanced-topics.xml
(svn.advanced.working-without-a-wc): New section.

* en/book/ch09-reference.xml
(svn.ref.svnmucc): New section (or at least, placeholder there-for).

Document the new svn:global-ignores property.

* en/book/ch03-advanced-topics.xml

(svn.advanced.props.inheritable): New section stub.

(svn.advanced.props.special.ignore): Add explanation and
example of svn:global-ignores property.

* en/book/ch09-reference.xml
(svn.ref.svn): Mention that the --no-ignore option also
impacts 'svn add|import' and that the new svn:global-ignores
property is also affected.

* en/book/ch09-reference.xml
(svn.ref.properties.versioned-props): Add entries for new reserved
props 'svn:auto-props' and 'svn:global-ignores'.