[Distutils] [Catalog-sig] [distutils] make the storage of the password optional in .pypirc

["Martin v. Löwis"]

> Or better yet, supported scp.  Then the upload/register process would be
> reduced to just scp-ing a distro to pypi.  The server could read
> meta-data from the distro, register the release, if necessary, and put
> the distro in the right place.

That wouldn't fit too well with the existing "register" and "upload"
commands, I think.

Regards,
Martin