gnome-shell: depend upon gnome-settings-daemon gsettings schemas
accountservice: add dbus and systemd services

Enable by default with gnome3.
libxklavier: add gobject introspection support
libgnomekbd: new package

Keyboard management library. Used by gnome-control-center.
gnome-control-center: propagate libgnomekbd in user env
gnome-system-monitor: new package

System Monitor shows you what programs are running and how much processor time, memory, and disk space are being used

https://help.gnome.org/users/gnome-system-monitor/3.10/
libmusicbrainz5: new major version
evince: enable gobject introspection
sushi: new package

A quick previewer for Nautilus

http://en.wikipedia.org/wiki/Sushi_(software)
Remove haskellPackages.lensAeson

This is now part of haskellPackages.lens
gst-plugins-bad: disable faac by default because it's unfree

A lot of packages are not built in hydra due to gst-plugins-bad
being unfree. Make faac dependency optional.
Disable allowUnfree by default

Fixes #2134.
Replace $HYDRA_DISALLOW_UNFREE with $NIXPKGS_ALLOW_UNFREE

We've never used this environment variable in Hydra (except for a few
days). This is also more consistent with $NIXPKGS_ALLOW_BROKEN.
Add a flag ‘config.allowBroken’
Die tabs die
Revert "Turn on user-controlled wpa-cli on the livecd"

user-controlled wpa-cli requires explicit interface setting for some
reason

This reverts commit c6797b373f379f7a7f8a7da01bdf3f6751f11f2e.
evolution-data-server: fix gsettings schemas and add dbus service
gnome-contacts: new package

Contacts is GNOME's integrated address book

https://wiki.gnome.org/Apps/Contacts
telepathy-mission-control: add dbus service, enabled by default on gnome3
file-roller: fix gsettings schemas