[cvs-nhc98] Tidy up the hat-detect user interface.

malcolm: Fri Feb 15 16:31:24 CET 2002 Update of /usr/src/master/nhc/src/hat/tools In directory hinken:/tmp/cvs-serv7196 Modified Files: HatDetect.hs Log Message: Tidy up the hat-detect user interface. * command T now means 'start hat-trail' * command to `trust' must be spelled in full * command to `suspect' must be spelled in full * new command E means 'start hat-explore' * prompt is now just "? " rather than "(Y/?Y/?N/N): "