Render pellets on menu screen.

Add Level object which contains level data (in the form of
an 2D array of stateless LevelComponents), LevelLoader which loads
level data from a txt file.

desktop/src/com/me/pacman/desktop/DesktopLauncher.java

@@ -10,7 +10,7 @@ public class DesktopLauncher {
 		config.title = PacDude.TITLE + " - " + PacDude.VERSION;
 		config.width = (224 * 2);
 		config.height = (248 * 2);
-		config.resizable = true;
+		config.resizable = false;
 		new LwjglApplication(new PacDude(), config);
 	}
 }