Merge pull request #2675 from cstrahan/fix-useradd

Fix -G delimiter in call to useradd
fix mkpasswd: use the git repository

Signed-off-by: Austin Seipp <aseipp@pobox.com>
mpd: fix build on darwin
ansible: add package
ansible: Add maintainer
Fix installer test

The installer now asks the user to set a root password if stdin is a
tty, which doesn't work for an interactive test.

http://hydra.nixos.org/build/11130072
nixos-install: Copy /etc/hosts

http://hydra.nixos.org/build/11130069
NixOS ISO: Set empty root password
Override networkmanager GUI packages with gnome 3.12 scope
evolution-data-server: use the right gnome3 package set in the service
Override gvfs with gnome 3.12 scope
glib-networking: 2.38.2 -> 2.40.1
Override glib_networking with gnome 3.12 scope
gnome-photos 3.12: fix wrapping binaries
gnome-documents 3.12: fix wrapping binaries
epiphany 3.12: fix wrapping binaries
evolution 3.12: fix wrapping binaries
ansible: conventions, fix module execution
typescript: add package. Closes #2712

Typed superset of JavaScript that compiles to plain JavaScript.

http://www.typescriptlang.org/
nixos-install: Fix running it after again the activation script