Latest gamelib repo
Remove old (un-used) files

	ASCII Cards database & debugging file
Update comments
Clean up header file dependencies a bit
Remove un-used code fragments

	Game::Pause, Game::Resume & Card::~Card
Add validation of input to Card container class
Add ability to modify card rank attributes in-game
Pause music track
Fix up Travis CI build script
Add REQUIRED_LIBS variable support for SDL, SDLmain & json_spirit libs
Change compiler default to gcc
Add clang to the build matrix
Add configuration for xvfb
Remove clang from build matrix
Build release target; add install/uninstall targets
Toggle Release target mode from command line
Fix release mode target
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