WCSim Validation

527ec2e2ceb4222a2fa049bcd77dc8524c40fb14

Pull Request #526: New optical process for Raman scattering

SK_500MeVmum_centre_xdir

Tests
2745.80 sec
wcsimrootevent plot pass
wcsimrootevent2 plot pass
wcsimrootevent_OD plot pass
Geom pass
bad pass
Geometry warnings pass