* gnu/packages/perl.scm (perl-shell-command): New variable.

Signed-off-by: Andreas Enge <andreas@enge.fr>

* gnu/packages/guile.scm (guile-config): Update to 0.1.1.

Signed-off-by: Andreas Enge <andreas@enge.fr>

* gnu/packages/gcc.scm (gccgo): Update to 4.9.

* gnu/packages/bittorrent.scm (aria2): Update to 1.20.0.

* gnu/packages/maths.scm (glpk): Update to 4.58.

* gnu/packages/yubico.scm (ykclient): Update to 2.15.

* gnu/packages/yubico.scm (libyubikey): Update to 1.13.

* gnu/packages/yasm.scm (yasm): Update to 1.3.0.

* gnu/packages/games.scm (retroarch): Update to 1.3.1.

* gnu/packages/emacs.scm (emacs-popup): New variable.

Signed-off-by: Alex Kost <alezost@gmail.com>

* gnu/packages/gnome.scm (gnome-backgrounds): New variable.

Signed-off-by: Alex Kost <alezost@gmail.com>

* guix/licenses.scm (cc-by-sa2.0, cc-by2.0): New variables.

Signed-off-by: Alex Kost <alezost@gmail.com>

* emacs/guix-init.el: Move adding hooks to...
* emacs/guix-build-log.el: ... here.
* emacs/guix-devel.el: ... and here.

* gnu/system.scm (%base-packages): Add iproute.

These packages should be updated together.

* gnu/packages/tls.scm (letsencrypt): Update to 0.4.0.
(python-acme, python2-acme): Update to 0.4.0.

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

* gnu/packages/moe.scm (moe): Update to 1.8.

* gnu/packages/gnunet.scm (gnunet)[arguments]: Pass '--with-nssdir'.

* gnu/packages/gnome.scm (gnome): New variable.

* gnu/packages/mate.scm (mate-menus): New variable.

* gnu/packages/mate.scm (libmateweather): New variable.

* gnu/packages/mate.scm (mate-desktop): New variable.

* gnu/packages/mate.scm (mate-themes): New variable.

* gnu/packages/mate.scm: New file.
* gnu-system.am (GNU_SYSTEM_MODULES): Add it.
* gnu/packages/mate.scm (mate-icon-theme): New variable.

* gnu/packages/guile.scm (guile-config): New variable.

* gnu/packages/aidc.scm (qrencode): Update to 3.4.4.

* gnu/packages/algebra.scm (pari-gp)[native-inputs]: Add texlive-minimal.
  [arguments]: Modify make-flags to build documentation.

* gnu/packages/texlive.scm (texlive-texmf-minimal, texlive-minimal):
  New variables.

* doc/guix.texi ("invoking guix import"): Add a footnote to the CPAN importer
  on the need for Guile-JSON.

* doc/guix.texi ("build systems"): Drop documentation of
  BUILD-EXPRESSION->DERIVATION.

* doc/guix.texi ("build systems"): Use modify-phases syntax instead of
  alist-delete in example.

* doc/guix.texi ("invoking guix archive"): Move paragraph describing basic
  invocation from the end to the beginning of the section.

* gnu/packages/music.scm (hydrogen): Update to 0.9.6.1.
[build-system]: Switch to cmake-build-system.
[arguments]: Enable configure and tests, remove custom phases.
[native-inputs]: Remove python-2, scons. Add cppunit.
[inputs]: Add libarchive, lrdf.

* gnu/packages/bioinformatics.scm (htseq)[inputs]: Add "python2-pysam".

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

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

* gnu/packages/gps.scm (gpsbabel)[arguments]: Use 'modify-phases'.

* gnu/packages/gps.scm (gpsbabel): Update to 1.5.2.
[inputs]: Remove qt-4, add qt.

* gnu/packages/engineering.scm (librecad)[arguments]: Use 'modify-phases'.

* gnu/packages/engineering.scm (librecad): Update to 2.0.9.
[inputs]: Use qt instead of qt-4.