* 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
- Added SIP 4.10 required for pyqt-4.7.x
- Removed kde libs experimental, which does not exists anymore in 4.4.0
svn path=/nixpkgs/trunk/; revision=19910