WCSim Validation

5f0c115880fd1559c025f48133d52a3511d22ea0

Pull Request #526: New optical process for Raman scattering

IWCD_500MeVem_centre_xdir

Tests
2667.54 sec
wcsimrootevent plot pass
wcsimrootevent2 plot pass
wcsimrootevent_OD plot pass
Geom pass
bad pass
Geometry warnings pass