- From V.Onuchin:

o TASImage::TypeFromMagicNumber
   - added few more image types detected by "magic number"
     according to http://www.garykessler.net/library/file_sigs.html


git-svn-id: http://root.cern.ch/svn/root/trunk@18601 27541ba8-7e3a-0410-8455-c3a389f83636