zathura: Update to 0.2.1 (also update plugins to latest)
notmuch: sha256 was wrong
pythonPackages.flake8: Update to 1.6.2
boost: wrong unpacking command
pythonPackages.turses: update to 0.2.9
Allow to skip more options to update-walker in simple cases. Now just an URL can work if everything is set up in default way
Update Compiz
Fix at least obvious failures with python path
Make Firefox 17 the default
firefox: Disable parallel building

http://hydra.nixos.org/build/3348854
znes needs libpng12
haskell-defaults.nix: add compiler-specific overrides to fix build of cabal-install
zdoom 2.6.1 (instead of svn)
zoom-1.1.5
xtreemfs-1.4

1.3.0 did not build anymore, would need to be handed the correct
version of boost.
zoom-1.1.5 - also adjust name
Update e-mail address
firefox: Use exec in wrappers
xsokoban scorefile in current directory
xsokoban: fix for colliding getline in score.c