WCSim Validation

5f130b7399dd9dcde237bd08e72f2aacf6c4db11

Pull Request #519: Add sea level cosmic muon file for WCTE

IWCDOD_500MeVmum_centre_xdir

Tests
3917.70 sec
wcsimrootevent plot pass
wcsimrootevent2 plot pass
wcsimrootevent_OD plot pass
Geom pass
bad pass
Geometry warnings pass