Version Control With Subversion Source

Book Spanish. Finished appendix d, and corrected some typos in foreword
and chapter 0 and foreword

* en/book/ch08.xml: "Apache 2.0" -> "Apache 2.0 and later versions".

* en/book/ch08.xml: Tweak some phrasing to more accurately reflect reality.

* en/TODO: Mention Trac. Remove items which are now fixed or migrated to Trac.

* www/index.en.html: Remove the "do not link" prohibition for the nightly
builds, replacing it with a gentle recommendation.

* src/nb/book/ch04.xml: Typo.

Translated all examples in ch04.xml to Norwegian.

* src/nb/TRANSLATION-STATUS
(Translation of examples): Moved ch04.xml to Finished.

* src/nb/book/ch04.xml
Translated all <screen> examples.

Translation to Norwegian.

* /trunk/src/nb/TRANSLATION-STATUS
ch07.xml to 27%.

* /trunk/src/nb/book/ch07.xml
Translation.

Fix <screen> example.

* src/en/book/ch07.xml
(svn.advanced.props.manip): Fix "svn propdel" example output.

Book Spanish. Translated one paragraph.