Win32 binding replacement

[Andrej Mitrovic]

On 10/16/11, simendsjo <simendsjo at gmail.com> wrote:
> You also have to download the windows sdk and convert the .libs. The
> ones shipped with dmd is out of date.

They're awfully out of date. I mean they're missing tens of
"kilobytes" of symbols, it's almost as if they were lifted from
Windows 3.1 DLLs, lol.

We have this wonderful coffimplib tool, let's use it then:
http://d.puremagic.com/issues/show_bug.cgi?id=6625