python-HyperKitty: initial version 1.2.2

Package the mail archiver for GNU Mailman. I liberally borrowed code
from @globin's repository [1].

[1] https://github.com/mayflower/nixexprs/tree/master/pkgs/python

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

@@ -0,0 +1,20 @@
+{ stdenv, buildPythonPackage, fetchPypi }:
+
+buildPythonPackage rec {
+  pname = "cssmin";
+  version = "0.2.0";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "1dk723nfm2yf8cp4pj785giqlwv42l0kj8rk40kczvq1hk6g04p0";
+  };
+
+  # no tests
+  doCheck = false;
+
+  meta = with stdenv.lib; {
+    description = "A Python port of the YUI CSS compression algorithm";
+    homepage = http://github.com/zacharyvoase/cssmin;
+    license = licenses.bsd3;
+  };
+}