Treewide: update some problematic homepages

These URLs are reported as problematic by Repology.
It could be a permanent redirection
or the page does not exist anymore

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

@@ -22,7 +22,7 @@ buildPythonPackage rec {
 
   meta = with stdenv.lib; {
     description = "Accessing and Modifying INI files";
-    homepage = http://code.google.com/p/iniparse/;
+    homepage = "https://github.com/candlepin/python-iniparse";
     license = licenses.mit;
     maintainers = with maintainers; [ danbst ];
   };