Version Control With Subversion Source

Finish the copyedit tweaks for Chapter 3.

Consistently use the form <option>--foo</option> (<option>-f</option>)
instead of the not-quite correct <option>--foo (-f)</option>. Thank
you, O'Reilly copyeditors, for finding this through a basic awareness
of roman font space width normalities.

* src/en/book/ch05-repository-admin.xml
* src/en/book/ch06-server-configuration.xml
* src/en/book/ch04-branching-and-merging.xml
* src/en/book/ch02-basic-usage.xml
* src/en/book/ch07-customizing-svn.xml

Various notations and consistifications.

Begin making copyedit changes suggested by O'Reilly. Love the
results, but the process is putting a crick in my neck!

Add notes about how to properly transform our Docbook XML.

* ch04-branching-and-merging.xml: enter O'Reilly's copyedits.

ch01-fundamental-concepts.xml: enter ORA's copyedits.

Phrasing tweaks and typo fixes.

Sync the Norwegian and English page.

* www/index.nb.html: Merged r2869, r2870.

* www/old-versions.nb.html: Translated to Norwegian + set svn:externals
to Id + added Id, base href element, and Vim magic.