WCSim Validation

90e1e19a223281b2dfe6c8d515566cb0e8a2415b

Pull Request #551: Compatibility update for neut5.6.4

HKFD_5MeVem_centre_xdir

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