Vendor and Packager for merged Fedora

[Bill Nottingham]

Rex Dieter (rdieter at math.unl.edu) said: 
> >I'm not sure what all _host is uses for, but I know there are some package 
> >(I think mozilla/firefox) that care about it, and I'm reluctant to change 
> >what it is set for internally right now.
> 
> this one has potential to break a lot of things (configure scripts, 
> auto*foo), tread carefully.

In fact, it might be worth it to frob the value, run off one of Matt's
mass rebuild tests, and see a) what fails b) what file paths/scripts/etc
end up diferent.

Bill