[gnome-mines] Created tag 3.31.4

[Robert Roth <robertroth src gnome org>]

The unsigned tag '3.31.4' was created.

Tagger: Robert Roth <robert roth off gmail com>
Date: 1546890920 +0200

    Tagged release 3.31.4

Changes since the last tag '3.31.3':

Anders Jonsson (1):
      Update Swedish translation

Bilal Elmoussaoui (3):
      FreeDesktop Standards: unify app-id
      meson: improve post install script
      Flatpak: put libgnome-games-support on the main manifest

Efstathios Iosifidis (1):
      Update Greek translation

Fabio Tomat (1):
      Update Friulian translation

Robert Roth (1):
      Prepared release 3.31.4