WCSim Validation

3aeae62d004dfc8e38c4413e603029ecfc9e311d

Pull Request #540: add FDOD PMTs and set PMT3inchR14374_FDOD as default choice

SK_500MeVmum_centre_xdir

Tests
2721.35 sec
wcsimrootevent plot pass
wcsimrootevent2 plot pass
wcsimrootevent_OD plot pass
Geom pass
bad pass
Geometry warnings pass