Major server side update

Changed client side ip, fps and added playing property to statepacket.
Server side:
-added servertick changer from console
-added minor help to the console
-temporarily removed resetdirection action
-added Ghost class
-restructured: moved overlapping Ghost and Player components to Entity
class
-added 4 normal pellets to the map corners (client still renders them as
walls)
-server now has pellet counter
-server now returns score representing pellets collected