Changed i to entityIterator for the update loop
Set the frame rate to be shown if the debug mode is enabled.
Set the frame rate in the init method to set to false.
Added a SplashScreen - changes to player select after 5000ms.
World now initialised a splash screen instead of a player select screen.
Changed the splash screen to scale to window size.
Added a getWindowSize() method which returns a Vector2f of size to World.
Refactored getSize() method to getMapSize().