branch core-updates updated (d8cd159 -> a813710)

[Mark H. Weaver]

mhw pushed a change to branch core-updates
in repository guix.

      from  d8cd159   gnu: xorg-server: Update to 1.16.3.
      adds  d326767   Add (guix sets).
      adds  ed3592a   derivations: Use sets for 'derivations-prerequisites'.
      adds  c06d140   derivations: Use a set for 'substitution-oracle'.
      adds  bbea956   gnu: pari-gp: Update to 2.7.2.
      adds  a63ffe0   gnu: gp2c: Update to 0.0.9pl2.
      adds  7d05f76   gnu: ffmpeg-2.2: Update to 2.2.11
      adds  9f496d4   gnu: ffmpeg: Update to 2.5.3
      adds  61771a7   guix: build/glib-or-gtk-build-system: Add support for GIO 
and XDG theming.
      adds  b47e1b2   gnu: dconf: Add dconf.
      adds  beb8dc0   gnu: libcanberra: Add default sounds support.
      adds  3d243e9   gnu: evince: Add inputs.
      adds  bb54c8f   gnu: xlockmore: Update to 5.45.
      adds  ab69d9a   gnu: Move xlockmore to (gnu packages xdisorg).
      adds  4a4dd5d   services: user-processes: Write debugging messages to the 
output port.
      adds  462a3fa   monads: Rewrite 'text-file*' using gexps.
      adds  abebac4   monads: Remove 'derivation-expression'.
      adds  bdac3d4   gnu: libnl: Update to 3.2.25.
      adds  65cd77d   gnu: Add iw.
      adds  f5895da   build/glib-or-gtk-build-system: Fix 'generate-icon-cache'.
      adds  35ed930   doc: Change some occurrences of "the GNU system" to 
"Guixotic".
      adds  4655005   tests: Properly synchronize threads in the 'home-page' 
lint tests.
      adds  765f0ac   gnu: Add QPDF.
       new  a813710   Merge branch 'master' into core-updates

The 1 revisions listed above as "new" are entirely new to this
repository and will be described in separate emails.  The revisions
listed as "adds" were already present in the repository and have only
been added to this reference.


Summary of changes:
 Makefile.am                                        |    4 +-
 doc/guix.texi                                      |   44 ++++---
 gnu-system.am                                      |    1 -
 gnu/packages/algebra.scm                           |   10 +-
 gnu/packages/gnome.scm                             |   71 ++++++++--
 gnu/packages/libcanberra.scm                       |   31 ++++-
 gnu/packages/linux.scm                             |   30 ++++-
 .../libcanberra-sound-theme-freedesktop.patch      |   22 +++
 gnu/packages/pdf.scm                               |   42 ++++++
 gnu/packages/video.scm                             |    8 +-
 gnu/packages/xdisorg.scm                           |   33 +++++
 gnu/packages/xlockmore.scm                         |   52 --------
 gnu/services/base.scm                              |   10 +-
 guix/build-system/glib-or-gtk.scm                  |   30 +++--
 guix/build/glib-or-gtk-build-system.scm            |  139 +++++++++++++++++---
 guix/derivations.scm                               |   25 ++--
 guix/gexp.scm                                      |   17 ++-
 guix/monads.scm                                    |   73 +----------
 guix/sets.scm                                      |  116 ++++++++++++++++
 tests/gexp.scm                                     |   26 ++++-
 tests/lint.scm                                     |   23 +++-
 tests/monads.scm                                   |   47 +-------
 tests/sets.scm                                     |   52 ++++++++
 23 files changed, 637 insertions(+), 269 deletions(-)
 create mode 100644 
gnu/packages/patches/libcanberra-sound-theme-freedesktop.patch
 delete mode 100644 gnu/packages/xlockmore.scm
 create mode 100644 guix/sets.scm
 create mode 100644 tests/sets.scm