Creating contorller, and starting game for Two Players. Not woring correctly yet.
Changed inheritance of GameWindow to BorderPane; Displaying GameWindow for two players game
Notification about the end of the game and the result
Merge pull request #24 from krukon/ui/game-result

Notification about the end of the game and the result
Merge branch 'game/run-two-players' into dev

Conflicts:
	src/main/java/ui/TwoPlayersWindow.java