Add the Geant4 Monte Carlo radiation transport toolkit and its Python bindings.
ati-drivers: bump version to 14.4
ati_unfree: Create a nixos module for the ati_unfree x11 driver and
blacklist the radeon driver when ati_unfree is installed.
ati_unfree: Towards using ati unfree 32bit binary libs
ati_unfree: Update nixos-manual for AMD driver support
Adds ocaml-fix

Fix is a simple OCaml module for computing the least solution of a system of monotone equations.

Homepage: http://gallium.inria.fr/~fpottier/fix/
Adds ocaml-pprint

Pprint is an OCaml adaptation of Wadler’s and Leijen’s prettier printer.

Homepage: http://gallium.inria.fr/~fpottier/pprint/
Adds ocaml-functory

Functory is a distributed computing library for Objective Caml which facilitates distributed execution of parallelizable computations in a seamless fashion. Further, it is
polymorphic, incorporates a robust fault-tolerant mechanism and is already being deployed in real-world applications.

Homepage: https://www.lri.fr/~filliatr/functory/
Adds mezzo

Mezzo is a programming language in the ML tradition, which places strong
emphasis on the control of aliasing and access to mutable memory.

Homepage: http://protz.github.io/mezzo/
teamspeak_client: Remove qt4 dependency.
teamspeak_client: Use nixpkgs quazip instead of provided library.
update bud to 0.32.0 (WIP)
Configure gnupg to use pinentry by default.

This makes gnupg much more usable out of the box.
Remove obsolete patch.
Remove use* options and let the user set optional dependies to null if
they don't want to use them.
vtk: Update from 5.10.0 to 5.10.1
Apply recent changes from gnupg/default.nix to gnupg/git.nix

gnupg/git.nix doesn't build, but it didn't build before either.
krb5: Update to 12.2.2.

Fixes security vulnerabilities CVE-2014-4341, CVE-2014-4342,
CVE-2014-4343, CVE-2014-4344 and CVE-2014-4345.
Fixes coq-8.3: requires OCaml 3.12
Add roconnor to GnuPG maintainers.