WCSim Validation

1757a6a2961dce71836458bb2279c6620bbed27d

Pull Request #551: Compatibility update for neut5.6.4

IWCD_500MeVem_centre_xdir

Tests
2722.12 sec
wcsimrootevent plot pass
wcsimrootevent2 plot pass
wcsimrootevent_OD plot pass
Geom pass
bad pass
Geometry warnings pass