The files data/reverse.png, data/reversi.png, data/schema.svg are licensed
under the Creative Commons “Attribution-Share Alike 3.0 Unported” license:
  summary: https://creativecommons.org/licenses/by-sa/3.0/deed.en
  license: https://creativecommons.org/licenses/by-sa/3.0/legalcode
because they include a remix of the file Antu_games-highscores.svg seen on
  webpage: https://commons.wikimedia.org/wiki/File:Antu_games-highscores.svg
  creator: Fabián Alexis <fabian.alexis@openmailbox.org>.

Other images files are released under the same license as the application.
