Gameplay update

This update includes : -Full xbox gamepad support.

-Additions of new controls for the gamepad : big slides with the triggers or the left stick, "Slow motion Mode" by pressing the A button of the gamepad to slow down and take the good decision to avoid obstacles ( 2 are available per level ).

-Deletion of the setup window, using of the best parameters level by level.

-Addition of GUIs indicating the number of lives, the world where the current happens, and the ghost 's energy.

-Quit the game with the gamepad by pressing the select/back button to pause the game and the the Y button to quit.