* Changed the resizing routine to use the same BufferedImage image type if an image type is not specified when using a BufferedImage as the source.
* Changed the resizing routine to use the same BufferedImage image type if an image type is not specified when using a BufferedImage as the source.

coobird/thumbnailator,ymero/thumbnailator,giflw/thumbnailator,guhb/thumbnailator,qingsong-xu/thumbnailator