WCSim Validation

ba5a6aeb4b1d6c31c0273620c789e15f48f6ff9d

Pull Request #468: Feature/od coverages

SK_5MeVem_centre_xdir

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