#121233# Added bitmap scaling methods BMP_SCALE_SUPER (from symphony), BMP_SCALE_LANCZOS, BMP_SCALE_BICUBIC, BMP_SCALE_BILINEAR and BMP_SCALE_BOX. changed defaults for internal scalings, enhanced PDF export when reduched DPI is used, added BMP_SCALE_BESTQUALITY and BMP_SCALE_FASTESTINTERPOLATE as new default for Bitmap::Scale