Version Control With Subversion Source

* src/de/book/ch00-preface.xml
* src/de/book/ch01-fundamental-concepts.xml
* src/de/book/ch03-advanced-topics.xml
* src/de/book/ch04-branching-and-merging.xml
* src/de/book/ch05-repository-admin.xml
* src/de/book/ch06-server-configuration.xml
* src/de/book/ch07-customizing-svn.xml
* src/de/book/ch09-reference.xml
* src/de/book/copyright.xml
* www/index.de.html
- Merge in changes from English version from revision 3287 to 3306
(en-1.5-final).