Added backwards compatibility typedefs for Entity and PhysicsEntity

Core/Contents/Include/PolyEntity.h

@@ -731,4 +731,8 @@ namespace Polycode {
 		
 			Renderer *renderer;
 	};
+	
+	typedef Entity SceneEntity;
+	typedef Entity ScreenEntity;
+			
 }

Modules/Contents/3DPhysics/Include/PolyPhysicsSceneEntity.h

@@ -120,6 +120,8 @@ namespace Polycode {
 		btDefaultMotionState* myMotionState;		
 	};
 	
+	typedef PhysicsEntity PhysicsSceneEntity;
+	
 	/**
 	* A Physics character controller.
 	*/