Add new French translation section.
* trunk/src/de/book/ch09-reference.xml - Ticket #271, subcommend "svnsync copy-revprops" (cf. http://www.svnbook.de/report/6).
* trunk/src/de/book/ch09-reference.xml - Fixes ticket #270 (cf. http://www.svnbook.de/report/6).
* trunk/src/de/book/ch09-reference.xml - Fixes ticket #269 (cf. http://www.svnbook.de/report/6).
* trunk/src/de/book/ch09-reference.xml - Ticket #268 command "svnlook youngest" (cf. http://www.svnbook.de/report/6)
* trunk/src/de/book/ch09-reference.xml - Ticket #268 command "svnlook uuid" (cf. http://www.svnbook.de/report/6)
* trunk/src/de/book/ch09-reference.xml - Ticket #268 command "svnlook tree" (cf. http://www.svnbook.de/report/6).
* trunk/src/de/book/ch09-reference.xml - Ticket #268 command "svnlook proplist" (cf. http://www.svnbook.de/report/6).
* trunk/src/de/book/ch09-reference.xml - Ticket #268 command "svnlook propget" (cf. http://www.svnbook.de/report/6).
* trunk/src/de/book/ch09-reference.xml - Ticket #268 command "svnlook log" (cf. http://www.svnbook.de/report/6).