* gnu/packages/xorg.scm (xorg-server): Update to 1.16.4.

* gnu/packages/audio.scm (aubio, ardour, azr3, lash, patchage): Remove
  "util-linux" from `inputs'.

* gnu/packages/audio.scm (jack-1): Move input "util-linux" to
  `propagated-inputs'.

* gnu/packages/admin.scm (isc-dhcp): Update to 4.3.1.

* gnu/packages/scheme.scm (chibi-scheme): New variable.

* gnu/packages/scheme.scm (gambit-c): New variable.

* gnu/packages/audio.scm (azr3): New variable.

* gnu/packages/aarddict.scm: New file.
* gnu-system.am (GNU_SYSTEM_MODULES): Add it.

* gnu/packages/qt.scm (python-pyqt-4, python2-pyqt-4): New variables.

* gnu/packages/audio.scm (patchage): New variable.

* gnu/packages/gtk.scm (ganv): New variable.

* gnu/packages/statistics.scm: New file.
* gnu-system.am (GNU_SYSTEM_MODULES): Add it
* guix/download.scm (%mirrors): Add CRAN mirrors.

*  gnu/packages/python.scm (python-setuptools, python2-setuptools):
     Update to 12.1.

* gnu/packages/complexity.scm (complexity): Update to 1.2.

* gnu/packages/games.scm (xboard): Update to 4.8.0.

* gnu/packages/lisp.scm (sbcl): New variable.

* gnu/packages/web.scm (httpd): Update to 2.4.12.

* gnu/packages/python.scm (python-netifaces, python2-netifaces):
    New variables.

* gnu/packages/freedesktop.scm: New file.
* gnu-system.am (GNU_SYSTEM_MODULES): Add it.

* gnu/packages/python.scm (python-cssselect, python2-cssselect):
    New variables.

* gnu/packages/python.scm (python2-cssutils): New variable.

* gnu/packages/python.scm (python2-pil): New variable.

* gnu/packages/linux.scm (linux-libre): Update to 3.18.7.

Linux-libre 3.19 doesn't work on the Libreboot X60.

This reverts commit 1f4edec4.

* gnu/packages/moreutils.scm: New file.
* gnu-system.am (GNU_SYSTEM_MODULES): Add it.

* gnu/packages/audio.scm (lash): New variable.

* gnu/packages/python.scm (python-apsw)[license]: Change to
  LICENSE:ZLIB.

* guix/gexp.scm (gexp->derivation): Add #:graft? parameter and honor it.
* tests/gexp.scm ("gexp->derivation vs. grafts"): New test.
* doc/guix.texi (G-Expressions): Update 'gexp->derivation'
  documentation.

* guix/packages.scm (set-grafting): New procedure.

* guix/tests.scm: Add missing import, needed by 'dummy-package'.

* gnu/packages/audio.scm (jack-2): Change package name to "jack2" to
  distinguish from JACK1.

* gnu/packages/audio.scm (jack): Add missing inputs to build ALSA backend.

* gnu/packages/audio.scm (lvtk): New variable.

* gnu/packages/python.scm (python-pillow, python2-pillow): New variables.

* gnu/packages/linux.scm (net-tools)[arguments]: Add #:modules.
  Add 'remove-redundant-commands' phase.

* gnu/packages/linux.scm (procps)[arguments]: Add #:modules.
  <install phase>: Remove kill* and uptime*.

* guix/derivations.scm (imported-files): Keep private.
  (%imported-modules, %compiled-modules, build-expression->derivation):
  Mark as deprecated.
  (imported-modules, compiled-modules): Remove.
* guix/gexp.scm (%mkdir-p-definition): New variable.
  (imported-files, search-path*, imported-modules, compiled-modules):
  New procedures.
* tests/derivations.scm ("imported-files"): Remove.
* tests/gexp.scm ("imported-files", "gexp->derivation #:modules"): New
  tests.

* gnu/packages/linux.scm (acpid): New variable.

* gnu/packages/gnuzilla.scm (nss): Update to 3.17.4.

* gnu/packages/bioinformatics.scm (bedops): New variable.