
Changed name ArrivalElt to JobElt.

Removed "will" from event names.

Changed MM1 to Main (required for all apps); does NOT extend JSSim; no 
new MM1(); JSEvntHandler now Main.EvntHandler, simply called as such
from JSSim.

JSCurrEvnt, JSSchedListHd, JSPrintSchedList() all  moved from JSElt to JSSim.

