Pass by reference on CardHand argument in Game construction
Remove Player::Init method & init in constructor; use smart pointer
Remove Board::Init & init in constructor; use smart pointer
Make installation of audio data optional and use DIRECTORY syntax
Ignore *.tags files (ctags)
Mark off an item as completed
Remove filtering on *.plist and add filtering onto ttcards.app files
Update spacing
Clean up installation dependencies; introduce OSX App Bundle framework

	* Audio assets are now optional -- install will not fail if they are
not found.
	* App Bundles feature is a stub; we still need to deal with
the path of resource (asset) files.
	* Auto-generated version.hpp file is very rough on the edges.