Support of USB hardware tokens

[Dan Kegel]

>  I think should split my patch into many little commits.
> Should also add some tests or make some changes?

Yes, add conformance tests for the new ntoskrnl functions
and usbd.sys, and break the patch up a lot...

Looks like people have been hoping for something like
this for a couple years now, e.g.
http://www.winehq.org/pipermail/wine-devel/2005-November/042357.html