WCSim Validation

5ca6f70d0a5eb3e24f59b3ac7ebec80958b5f7c5

Pull Request #531: Bugfix/iwcd coordinates

HKFD_5MeVem_centre_xdir

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