Maintainer mode

[Eric Christopher]

> 
> Now that I've had time to think about this one, the idea of
> eliminating --enable-cgen-maint and removing generated files are
> independent.  I am happy with your suggestion to leave the generated
> files there--this is what happens now with `configure.in' and
> `configure', for instance.
> 

What we did in gcc is remove some of the generated files from cvs, but
leave them in the snapshots.  The idea is that someone working on the
compiler (cvs) should have all of the tools to work on the compiler, but
that the generated files should be there for the casual user.

-eric