WCSim Validation

918fe31bdd97fe973750ffc2a89fd742e760ee33

Pull Request #522: save sheet dimensions

SK_500MeVmum_centre_xdir

Tests
2816.09 sec
wcsimrootevent plot pass
wcsimrootevent2 plot pass
wcsimrootevent_OD plot pass
Geom pass
bad pass
Geometry warnings pass