zlib 1.1.3
	Copyright (c) 1995-1998 Jean-loup Gailly and Mark Adler

	libpng 1.0.3
	Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.
	Copyright (c) 1996-1997 Andreas Dilger
	Copyright (c) 1998-1999 Glenn Randers-Pehrson

	JPEG library 6b
	Copyright (c) 1991-1998 Thomas G. Lane

	amp11
	Copyright (c) 1997-1998 Niklas Beisert