Fading Reds/Hurt State beginning/Pictures
 
 - HealthBar Rectangles now act according to the Trello: @Healthbar
plays a fading animation for a disappearing rectangle when hurt@
 - Player State HURT was created, it's a lot like ANIMATING, with
exception of being moved upwards.
 - Hurt() method also changes state of Player to hurt
 - Also, couple of new pictures, for animation
 
 FIX: Player not colliding with things when in HURT State
 FIX: Player animation for HURT State