[gnome-2048] Created tag 3.31.4

[Arnaud B. <arnaudb src gnome org>]

The unsigned tag '3.31.4' was created.

Tagger: Arnaud Bonatti <arnaud bonatti gmail com>
Date: 1547070057 +0100

    Release 3.31.4.

Changes since the last tag '3.30.0':

Anders Jonsson (2):
      Update Swedish translation
      Update Swedish translation

Arnaud B (1):
      Merge branch 'wip/jtojnar/libm' into 'master'

Arnaud Bonatti (7):
      Fix broken shortcuts.
      Add some more shortcuts for the about dialog.
      Add Ctrl-q shortcut for quitting.
      Add some shortcuts for the hamburger menu.
      Allow to use arrows for UI navigation.
      Prepare 3.31.4.
      Fix distbuild.

Aurimas Černius (1):
      Updated Lithuanian translation

Daniel Mustieles (2):
      Updated Spanish translation
      Updated Spanish translation

Jan Tojnar (10):
      Merge branch 'wip/piotrdrag/window-title' into 'master'
      build: Add meson support
      build: Remove autotools support
      Merge branch 'wip/piotrdrag/untranslated-strings' into 'master'
      Merge branch 'meson' into 'master'
      Fix build
      Move HeaderBar to ui file
      Rename About menu item to About 2048
      Move app menu into window
      build: depend on libm

Jiri Grönroos (1):
      Update Finnish translation

Kukuh Syafaat (1):
      Update Indonesian translation

Marek Cernocky (2):
      Updated Czech translation
      Updated Czech help translation

Mario Blättermann (2):
      Update German translation
      Update German translation

Matej Urbančič (1):
      Added Slovenian translation

Piotr Drąg (5):
      Change window name to something human-friendly
      Use GNOME 2048 instead of gnome-2048 in help as well
      Mark missing strings for translation
      Update POTFILES.in
      Update Polish translation

Rafael Fontenelle (1):
      Update Brazilian Portuguese translation

Stas Solovey (1):
      Add Russian translation

gogo (1):
      Update Croatian translation