[Distutils] Proposed bdist_dumb fix

[Thomas Heller]

> >I has to use '--from-root 0' command-line flag, is it supposed to work this way,
> >needing an argument?
> 
> Well, if we want to stay backward compatible with the old behaviour,
> from-root has to default to true, so you need to supply an argument of
> 0 to turn it off.  Do we feel comfortable changing the default to
> false?  (I don't have a problem with that, and have done so in the
> revised patch.)  Or we could turn the option around and have it be 
> a --relative option instead.
I don't care too much - won't use it anyway. Otherwise I would probably
like --relative more.

What surprised me is that you have to supply an argument to a boolean
option. bdist_wininst has a --keep-temp boolean flag, but this doesn't
need an argument. Neither does --verbose or --quiet.

Thomas