Suggested by Alex Vong <alexvong1995@gmail.com>.

* doc/guix.texi (Application Setup): Explain how to install X11 fonts
  for Asian languages.

* doc/guix.texi (operating-system Reference): The 'services' field now
  contains a list of service objects.

* gnu/packages/audio.scm (jack-2)[inputs]: Add python2-dbus.
[arguments]: Use python-2 and add build phase to wrap jack_control
Python script.

* gnu/services/base.scm (udev-rule): New procedure.
(kvm-udev-rule): Rewrite as variable in terms of udev-rule.

* gnu/packages/haskell.scm (ghc-unordered-containers)
  [arguments]: Remove.
  [inputs]: Add ghc-chasingbottoms, ghc-test-framework,
  ghc-test-framework-hunit, and ghc-test-framework-quickcheck2.

* gnu/packages/haskell.scm (ghc-chasingbottoms): New variable.

* gnu/packages/haskell.scm (ghc-attoparsec)[arguments]: Remove.
  [inputs]: Add ghc-quickcheck, ghc-quickcheck-unicode,
  ghc-test-framework, and ghc-test-framework-quickcheck2.

* gnu/packages/haskell.scm (ghc-test-framework-quickcheck2): New
  variable.

* gnu/packages/haskell.scm (ghc-async)[arguments]: Remove.
  [inputs]: Add ghc-hunit, ghc-test-framework, and
  ghc-test-framework-hunit.

* gnu/packages/haskell.scm (ghc-regex-posix): Propagate ghc-regex-base
  input.

* gnu/packages/haskell.scm (ghc-test-framework-hunit): New variable.

* gnu/packages/haskell.scm (ghc-test-framework): New variable.

* gnu/packages/haskell.scm (ghc-libxml): New variable.

* gnu/packages/haskell.scm (ghc-hostname): New variable.

* gnu/packages/terminals.scm (tilda): Update to 1.3.0.
[inputs]: Switch vte from 0.36 to 0.40, remove zip.

* gnu/packages/video.scm (youtube-dl): Update to 2015.11.18.

* gnu/packages/patches/libsndfile-CVE-2014-9496.patch,
  gnu/packages/patches/libsndfile-CVE-2015-7805.patch: New files.
* gnu-system.am (dist_patch_DATA): Add them.
* gnu/packages/pulseaudio.scm (libsndfile)[source]: Add patches.

* gnu/packages/patches/libxslt-CVE-2015-7995.patch: New file.
* gnu-system.am (dist_patch_DATA): Add it.
* gnu/packages/xml.scm (libxslt)[source]: Add patch.

* gnu/packages/patches/libxml2-CVE-2015-1819.patch,
  gnu/packages/patches/libxml2-CVE-2015-7941-pt1.patch,
  gnu/packages/patches/libxml2-CVE-2015-7941-pt2.patch,
  gnu/packages/patches/libxml2-CVE-2015-7942-pt1.patch,
  gnu/packages/patches/libxml2-CVE-2015-7942-pt2.patch,
  gnu/packages/patches/libxml2-CVE-2015-8035.patch,
  gnu/packages/patches/libxml2-bug-737840.patch,
  gnu/packages/patches/libxml2-bug-738805.patch,
  gnu/packages/patches/libxml2-bug-746048.patch,
  gnu/packages/patches/libxml2-bug-747437.patch,
  gnu/packages/patches/libxml2-bug-751603.patch,
  gnu/packages/patches/libxml2-bug-751631.patch,
  gnu/packages/patches/libxml2-bug-754946.patch,
  gnu/packages/patches/libxml2-bug-754947.patch,
  gnu/packages/patches/libxml2-bug-755857.patch,
  gnu/packages/patches/libxml2-fix-catalog-corruption.patch,
  gnu/packages/patches/libxml2-id-attrs-in-xmlSetTreeDoc.patch,
  gnu/packages/patches/libxml2-node-sort-order-pt1.patch,
  gnu/packages/patches/libxml2-node-sort-order-pt2.patch: New files.
* gnu-system.am (dist_patch_DATA): Add them.
* gnu/packages/xml.scm (libxml2)[source]: Add patches.

* gnu/packages/image.scm (libpng): Update to 1.5.24.

This reverts commit 1b076e63.

* gnu/services/base.scm (udev-configuration, udev-configuration?,
  udev-configuration-rules): Export.

Fixes a regression introduced in a9346fae.

* gnu/packages/weechat.scm (weechat)[arguments]: Make sure PYTHON2_BIN
  can be freed with 'free'.

* gnu/packages/weechat.scm: Reencode as UTF-8.

Fixes <http://bugs.gnu.org/21879>.
Reported by Luis Felipe López Acevedo <felipe.lopez@openmailbox.org>.

* gnu/packages/weechat.scm (weechat)[arguments]: Add
  'set-python-file-name' phase.

* gnu/packages/weechat.scm (weechat)[arguments]: Use 'modify-phases'.
  Remove 'fix-file' phase.

* gnu/packages/python.scm (python-tornado)[home-page]: Use the preferred
  one.

* gnu/packages/python.scm (python-cryptography): Update to 1.0.2.

* gnu/packages/python.scm (python-cryptography-vectors): Update to 1.0.2.

* gnu/packages/music.scm (zynaddsubfx): Update to 2.5.2.

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

Signed-off-by: Ludovic Courtès <ludo@gnu.org>

This reverts commit 4ca02340.

* gnu/packages/gnome.scm (network-manager-applet): New variable.

* gnu/packages/gnome.scm (%network-manager-glib-duplicate-test-patch)
(network-manager): New variables.

* gnu/packages/video.scm (youtube-dl): Update to 2015.11.15.

Fixes <http://bugs.gnu.org/21925>.
Regression introduced in 279ec1df.
Reported by Chris Marusich <cmmarusich@gmail.com>.

* guix/ftp-client.scm (ftp-open): Restrict sockets to
  SOCK_STREAM/IPPROTO_IP.

* gnu/packages/scribus.scm: New file
* gnu/packages/patches/scribus-qobject.scm: New file.
* gnu-system.am (GNU_SYSTEM_MODULES, dist_patch_DATA): Add them.

* gnu/packages/imagemagick.scm (graphicsmagick): New variable.

* gnu/packages/imagemagick.scm: Import (guix licenses) with prefix
  "license:".