Rename Game class to PlayState
Rename Game[.cpp|.hpp], Game_debug.cpp to PlayState
Re-enable audio interface
Reflect recent public API modifications in nomlib

	* Our frame style can now be chosen from an enum list
	* New nom::ui namespace
Rename main.cpp to App.cpp
Rename state object to game
As per recent nomlib API changes; rename Load, loadFromFile to load

	* Rename gameOver_text to gameover_text
Rename CardsMenu, GameOver to CardsMenuState, GameOverState