WCSim Validation

8ce66a095de5c0eb293fdf2bbb12cf7b99c08cc7

Pull Request #539: Feature/fix inr modeling

IWCD_5MeVem_centre_xdir

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