Version Control With Subversion Source

* www/index.en.html
Update the text on this page to reflect the fact that the book is no longer
being developed external to the svnbook.com community.

* src/en/book/book.xml
On the 1.1 branch, we're writing against Subversion 1.1.

Make the 1.1 branch layout match that of trunk.

Branch for changes specific to the Subversion 1.1 book stuffs.

[1.0 branch]: Merge in a change relevant to the 1.0 line.

* src/en/book/ch07.xml
Merge r687 into this branch.

Make the 1.0 branch layout match that of trunk.

Branch for changes specific to the Subversion 1.0 book stuffs.

Tag the revision we handed to O'Reilly as the English 1.0 beta book version.

Remove the misc-docs.

Commit a top-skim of the German translation. (I missed it during dump/load,
and flatly refuse to wrestle with svndumpfilter for another eight hours).