* gnu/packages/finance (python-trezor): Update to 0.11.2.

Signed-off-by: Danny Milosavljevic <dannym@scratchpost.org>

* gnu/packages/guile-xyz.scm (guile-email): Update to 0.1.0.

* gnu/packages/engineering.scm (gnucap): New variable.

* gnu/packages/gimp.scm (gimp): Update to 2.10.10.

* gnu/packages/video.scm (openshot)[source]: Add snippet to remove
bundled font.
[inputs]: Add font-ubuntu.
[arguments]: Add custom 'patch-font-location to patch the search path
for the unbundled font.

* gnu/packages/video.scm (openshot)[arguments]: Add more modules.
Adjust custom 'wrap-program phase to use wrap-qt-program.

* gnu/packages/video.scm (openshot): Update to 2.4.4.

* gnu/packages/video.scm (libopenshot): Update to 0.2.3.

* gnu/packages/audio.scm (libopenshot-audio): Update to 0.1.8.

* gnu/packages/monitoring.scm (zabbix-agentd): Update to 4.2.0.

Signed-off-by: Ricardo Wurmus <rekado@elephly.net>

* gnu/packages/algebra.scm (eigen-for-tensorflow): New variable.

* gnu/packages/serialization.scm (jsoncpp-for-tensorflow): New variable.

* gnu/packages/protobuf.scm (python-protobuf-next): New variable.

* gnu/packages/machine-learning.scm (gemmlowp-for-tensorflow): New variable.

* gnu/packages/mail.scm (mu): Update to 1.2.
[inputs]: Use gmime 3.

Signed-off-by: Tobias Geerinckx-Rice <me@tobias.gr>

* gnu/installer/services.scm (system-services->configuration): Use
'append' and 'list' instead of 'cons*'.

* gnu/installer/services.scm (system-services->configuration): Add
'set-xorg-configuration' service.
* gnu/installer/steps.scm (format-configuration): Add 'xorg' service
module.

* gnu/installer/services.scm (%system-services): Adjust Xfce snippet to
use the 'service' form.

* gnu/packages/video.scm (mpv)[arguments]: Add phase 'patch-paths' to
substitute in the absolute path to 'youtube-dl'.

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

This procedure had been deprecated since March 2015.

* guix/licenses.scm (bsd-style): Remove.

* gnu/packages/maths.scm (scalapack)[license]: Use LICENSE:NON-COPYLEFT.

This is a followup to 977b0db4.

* gnu/packages/lisp.scm (sbcl-trivial-backtrace)[license]: Change to
LICENSE:EXPAT.

* gnu/packages/package-management.scm (guix): Update to d78bfd27.

* gnu/packages/vpn.scm (wireguard): Update to 0.0.20190406.

* gnu/packages/linux.scm (%linux-libre-version): Update to 5.0.7.
(%linux-libre-hash): Update hash.

* gnu/packages/linux.scm (%linux-libre-4.19-version): Update to 4.19.34.
(%linux-libre-4.19-hash): Update hash.

* gnu/packages/linux.scm (%linux-libre-4.14-version): Update to 4.14.111.
(%linux-libre-4.14-hash): Update hash.

* gnu/packages/linux.scm (linux-libre-4.9): Update to 4.9.168.

This release includes many security fixes, including CVE-2018-5785 and
CVE-2018-CVE-2018-6616.  See
<https://github.com/uclouvain/openjpeg/blob/master/CHANGELOG.md> for details.

* gnu/packages/image.scm (openjpeg)[replacement]: New field.
(openjpeg-2.3.1): New public variable.

* gnu/packages/upnp.scm (miniupnpc): Update to 2.1.20190403.

* gnu/packages/samba.scm (samba): Update to 4.10.1.

* gnu/packages/chromium.scm (%chromium-version): Set to 73.0.3683.103.
(ungoogled-chromium-source): Adjust chromium hash.

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

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

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

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

* gnu/packages/emacs-xyz.scm (emacs-wgrep): Update to 2.3.0.

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

* gnu/packages/emacs-xyz.scm (emacs-evil-matchit): Update to 2.2.9.

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

* gnu/packages/emacs-xyz.scm (emacs-js2-mode): Update to 20190219.

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

Previously GDM would crash when selecting EXWM.

* gnu/packages/emacs-xyz.scm (emacs-exwm)[arguments]: Rewrite
  'install-xsession' phase such that .desktop file contains an absolute file
  name.

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

* gnu/system/install.scm (%installation-services): Tweak motd.

* gnu/system/install.scm (%installation-services): Remove "Guix System
Distribution" from motd.