WCSim Validation

e8017a24bf0e1ea7486da1981a5e31c35cc0dc67

Pull Request #572: LI NPhoton Variation

SK_5MeVem_centre_xdir

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