WCSim Validation

3ff6d42ac84151a04e896dd255127419a1f21c54

Pull Request #539: Feature/fix inr modeling

IWCD_500MeVem_centre_xdir

Tests
2636.26 sec
wcsimrootevent plot pass
wcsimrootevent2 plot pass
wcsimrootevent_OD plot pass
Geom pass
bad pass
Geometry warnings pass