Update to German translation
Update to German translation

* subversion/po/de.po
  applied and reviewed patch from Jens Seidel, translated a few more strings

jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion