Fixed costume center when importing costumes from the library or importing images into the bitmap editor
Update Scratch.as
Update Block.as
Update BlockArg.as
Update BlockShape.as
Update BMPFunctions.as
Update ExtensionManager.as
Update ScratchExtension.as
Update Interpreter.as
Update LooksPrims.as
Update MotionAndPenPrims.as
Update ScratchCostume.as
Update ScratchObj.as
Update ScratchRuntime.as
Update ScratchSprite.as
Update ScratchSprite.as

Remembered that tabs should be set to 4 spaces on GitHub web editor.
Update ScratchStage.as
Update TalkBubble.as
Update NotePlayer.as
Update SoundBank.as