yum from cron setting http_proxy

[Max K-A]

> GSSAPI/SPNEGO is a whole other level of use and I'm not sure it's worth
> pursuing at all.

	I have a feeling that it may become important in the future. Most
open-source projects that work with HTTP say this at some point, and
eventually it gets in.

	I don't think it's critical, but I'm saying that it might become more
important. I don't see why it would be important in yum (which is why
I'm not really advocating it), but you never know. :-)

	Let's just get it into standard python libs, and not worry about it.

	-Max