treewide: various version number fixes

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

···
 }:
 
 buildPythonPackage rec {
-  name = "qutip";
+  pname = "qutip";
   version = "2.2.0";
 
   src = fetchurl {
-    url = "https://qutip.googlecode.com/files/QuTiP-2.2.0.tar.gz";
+    url = "https://qutip.googlecode.com/files/QuTiP-${version}.tar.gz";
     sha256 = "a26a639d74b2754b3a1e329d91300e587e8c399d8a81d8f18a4a74c6d6f02ba3";
   };
 

pkgs/development/python-modules/waitress-django/default.nix

···
 buildPythonPackage rec {
   pname = "waitress-django";
   version = "0.0.0";
-  name = pname;
 
   src = ./.;
   pythonPath = [ django_1_8 waitress ];

pkgs/tools/system/lshw/default.nix

···
 in
 stdenv.mkDerivation rec {
   name = "lshw-${numVersion}b";
-  version = "B.${numVersion}";
+  version = "${numVersion}";
 
   src = fetchurl {
-    url = "https://ezix.org/software/files/lshw-${version}.tar.gz";
+    url = "https://ezix.org/software/files/lshw-B.${version}.tar.gz";
     sha256 = "0brwra4jld0d53d7jsgca415ljglmmx1l2iazpj4ndilr48yy8mf";
   };