Please add autoconf and automake to the buildroot

[Patrice Dumas]

> 
> AFAIK they are very rarely used.  One of autoconf's design goals is to
> not be needed from the dist tarball.  I don't think automake makes this
> same guarantee but it makes an attempt.

automake makes exactly the same guarantee. It is in perl, and perl isn't
meant to be in all the environments. autoconf/automake dist should 
require only sh, make and basic unix commands.

--
Pat