WCSim Validation

ed49f36aaff02e0cd1b166ef2a6277bcebc871be

Pull Request #526: Optical process for Raman scattering in water

SK_500MeVmum_centre_xdir

Tests
2705.11 sec
wcsimrootevent plot pass
wcsimrootevent2 plot pass
wcsimrootevent_OD plot pass
Geom pass
bad pass
Geometry warnings pass