- adding experimental python31 build

- cleanup python libraries:
 * moving all python libraries into a attr set into a directory
   so that expressions can be used for both: python 2.5 and 2.6 easily
 * disabling packages which don't build

svn path=/nixpkgs/trunk/; revision=21142

pkgs/development/python-modules/bsddb3/default.nix

@@ -1,12 +0,0 @@
-{stdenv, fetchurl, python, db4}:
-
-stdenv.mkDerivation {
-  name = "bsddb3-4.5.0";
-  src = fetchurl {
-    url = mirror://sourceforge/pybsddb/bsddb3-4.5.0.tar.gz;
-    sha256 = "1h09kij32iikr9racp5p7qrb4li2gf2hs0lyq6d312qarja4d45v";
-  };
-  buildInputs = [python];
-  buildPhase = "true";
-  installPhase = "python ./setup.py install --prefix=$out --berkeley-db=${db4}";
-}