Once nixpart 1.0 is released we then only need to delete one single
directory rather than searching for needles in a haystack, that is, all
of <nixpkgs>. Also, it keeps my sanity at an almost healthy level.
Signed-off-by: aszlig <aszlig@redmoonstudios.org>
Put a copy of old version 0.17 expression into 0.17.nix and update the
pointers from nixpart0 accordingly.
This also means, that plain nixpart is now way more broken than
nixpart0 (we might want to temporarily fix 0.4 anyway).
Signed-off-by: aszlig <aszlig@redmoonstudios.org>