Use svn co for talks dir at HepForge

git-svn-id: https://ekptrac.physik.uni-karlsruhe.de/svn/fastNLO/trunk@2074 aa5437bd-d6fa-0310-9a40-cbaab9bf9339

doc/talks/index.html

+You are off limits here, please go back to the
+<a href="http://fastnlo.hepforge.org/">fastNLO main page</a>.