[Python-3000] Python 3.0a2 release

[Christian Heimes]

Martin v. Löwis wrote:
> I would be opposed unless a complete automation of that is possible and
> can be contributed. For AMD64, I see little hope for that, as I build
> the releases in a cross-compilation environment, so I can't run them
> on the build machine.

Done ;)
I've modified the PGO builds and the build_pgo batch file I copied from
the PCbuild8 directory. For AMD64 builds we either have to buy you an
AMD64 processor or somebody else has to run the PGI and PGO builds.

Christian