WCSim Validation

3dab66c3573de80c4977be3153fc5508ca420a75

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

SK_500MeVem_centre_xdir

Tests
3200.34 sec
wcsimrootevent plot pass
wcsimrootevent2 plot pass
wcsimrootevent_OD plot pass
Geom pass
bad pass
Geometry warnings pass