WCSim Validation

f823b41f68c2e4b5c99c5e35214dd432f08ba802

Pull Request #525: Changed OD bottom row to match updated layouts.

IWCDOD_500MeVem_centre_xdir

Tests
3748.85 sec
wcsimrootevent plot pass
wcsimrootevent2 plot pass
wcsimrootevent_OD plot pass
Geom pass
bad pass
Geometry warnings pass