* Playing against computer (UI integration)
* Final results to display with full-flegded statistics when
  a game is over
* Ship better go board theme and own icons
* Better Go engine configuration (multiple engines to choose from)
* Save-game management (something similar to palapeli)
* Add multiplayer support via GGZ and traditional Go servers
* Cache longer lists retrieved from the backend in the GoEngine (for example
  move history, stone lists for either player, ...) to save computing time
* Create a screensaver with 2 engines battling each other on a Kigo::GameView
