Now, the expression will not install ROM files anymore. It is easier the
final user install them locally by himself, in a local directory.
Also, it appears that there is a missing ROM in the package provided by
the project's site.
URLs to http://nix.cs.uu.nl/dist/tarballs. With content-addressable
mirror support (r9190, NIXPKGS-70) this is no longer necessary:
fetchurl will try to download from that location automatically. So
we can keep the original URLs.
svn path=/nixpkgs/trunk/; revision=9192