Removed attempt to disable image antialiasing from CSS.
Moved and renamed Entity, and fixed some constructor bug.
Moved assets/scenes/intro.json to assets/batches/intro.json.
Canvas is now always centered and 4:3.
Print stack trace on intro scene error.
Fixed GameCamera constructor issue.
GameCamera.record is now only for GameEntity objects.
Fixed GameCanvas.render bug related to GameCamera bounds.
IntroScene now updates and renders logo.