enhanced utils/README
enhanced utils/README

mainly fixing the utility names ('-' rather than '_'),
and adding copyright disclaimers to ambix-jplay & ambix-jrec

umlaeute/ambix,kronihias/libambix,iem-projects/ambix,kronihias/libambix,iem-projects/ambix,umlaeute/ambix,umlaeute/ambix,iem-projects/ambix