adding cernlib as default option which also ensures same astuce input decks in sixve(no plotdumy now)
adding cernlib as default option which also ensures same astuce input decks in sixve(no plotdumy now)

SixTrack/SixTrack,SixTrack/SixTrack,SixTrack/SixTrack,SixTrack/SixTrack,SixTrack/SixTrack,SixTrack/SixTrack