WCSim Validation

0873e6d8e91fa97b7f759d653d0d07552f41b73a

Pull Request #559: changed OD related size

SK_500MeVmum_centre_xdir

Tests
2795.66 sec
wcsimrootevent plot pass
wcsimrootevent2 plot pass
wcsimrootevent_OD plot pass
Geom pass
bad pass
Geometry warnings pass