message: WHITE and EMPTY weren't truly clean textures
diff: @@ -592,6 +592,7 @@ function removeAllHandlers(tex)
  */
  Texture.EMPTY = new Texture(new BaseTexture());
  removeAllHandlers(Texture.EMPTY);
  +removeAllHandlers(Texture.EMPTY.baseTexture);
  /**
  * A white texture of 10x10 size, used for graphics and other things
  @@ -602,3 +603,4 @@ removeAllHandlers(Texture.EMPTY);
  */
  Texture.WHITE = createWhiteTexture();
  removeAllHandlers(Texture.WHITE);
  +removeAllHandlers(Texture.WHITE.baseTexture);
  