Issue 96: PNG Jpeg JP2 optimizing
Reported by maadjor...@gmail.com, Jan 29, 2015
Optimize PNG using Truepng http://x128.ho.ua/pngutils.html

optimizing dct or jpeg streams through https://github.com/mozilla/mozjpeg & http://calendar.perfplanet.com/2014/mozjpeg-3-0/

optimizing JP2 streams if lossy is used then converting to jpeg through Mozjpeg and if lossless is used then converting to PNG using Truepng (above) as both JPEG and PNG is less complicated than JP2