[gnome-sudoku] Created tag 3.31.1

[Michael Catanzaro <mcatanzaro src gnome org>]

The unsigned tag '3.31.1' was created.

Tagger: Michael Catanzaro <mcatanzaro igalia com>
Date: 1539179682 -0500

    GNOME Sudoku 3.31.1

Changes since the last tag '3.30.0':

Balázs Úr (1):
      Update Hungarian translation

Marek Cernocky (1):
      Updated Czech translation

Michael Catanzaro (1):
      Prepare 3.31.1

Rafael Fontenelle (1):
      Update Brazilian Portuguese translation

Robert Ancell (1):
      Remove AppMenu

Stas Solovey (1):
      Update Russian translation