[Python-3000] Release 3.0a1 Countdown

["Martin v. Löwis"]

> Tomorrow (Friday August 31) I want to do the 3.0a1 release. I want to
> do it early in the day (US west coast time). It's going to be a
> lightweight release -- I plan to put out a source tarball only, if
> Martin wants to contribute an MSI installer that would be great.

I see what I can do. An x86 installer would certainly be possible;
for AMD64, I don't have a test machine right now (but I could produce
one "blindly").

Regards,
Martin