WCSim Validation

8f4f7ad0d14d6144468f7315a863b5769a9f083b

Pull Request #468: Feature/od coverages

SK_500MeVem_centre_xdir

Tests
3229.55 sec
wcsimrootevent plot pass
wcsimrootevent2 plot pass
wcsimrootevent_OD plot pass
Geom pass
bad pass
Geometry warnings pass