* Removed some unused versions of those packages.
* Don't pass `lib' to packages (because we already have `stdenv.lib').
* Removed some `*_python26' variants because Python 2.6 is the default
now.
svn path=/nixpkgs/trunk/; revision=20782
- Adding podofo
- Adding some new python packages
- Making new pkgs attributes for python packages to build with python 2.6
- Updating some python packages expressions to allow python 2.6, and not only 2.5.
svn path=/nixpkgs/trunk/; revision=19303
