WCSim Validation

cbd4c084211ace7f3569919a0e7289da65b183ea

Pull Request #562: Update radioactivity numbers

SK_500MeVem_centre_xdir

Tests
3263.52 sec
wcsimrootevent plot pass
wcsimrootevent2 plot pass
wcsimrootevent_OD plot pass
Geom pass
bad pass
Geometry warnings pass