Version Control With Subversion Source

* index.en.html: List the multi-page HTML before the single-page -- why make
folks suffer?

* src/de/book/ch01-fundamental-concepts.xml
- Translated
- Fundamental Concepts,
- The Repository

* www/index.en.html
- added link to the german translation page.

Enter Chapter 5's O'Reilly copyedits.

Move most of the Brazilian translation team to the EMERITUS section.

Make the custom footer only appear in the English version. Other
translations may wish to do something similar, pointing folks to their
translation homepage.

* src/tools/base-html-stylesheet.xsl
Move English-specific bits out of here, and ...

* src/en/stylesheets,
* src/en/stylesheets/fo-stylesheet.xsl,
* src/en/stylesheets/html-stylesheet.xsl,
* src/en/stylesheets/chunk-stylesheet.xsl,
* src/en/stylesheets/custom-html-stylesheet.xsl
... make use of the existing custom stylesheet support to put those
English-specific bits only into the English version of the book (by
adding these custom stylesheets).

Add the Subversion supported version number to the HTML footer.

* src/tools/base-html-stylesheet.xsl
Note that we're using CC Attribute Licensed version 2.0, and move
the <hr/> inside the custom <div>, so that we can...

* src/en/book/styles.css
...use CSS to disable the display of that horizontal rule.

Add an attribution / help solicitation footer to all HTML pages (in a smaller font).

Revised Chapter1: Introduzione, the first two paragraphs: 'svn.intro.whatis', 'svn.intro.history'.
Fixed incorrect translations, enhanced conformance to Dictionary, enhanced fluency of the italian version and restored a missing xml tag.