WCSim Validation

03be489dd08d14cdf2eeed037e130d5440c33c23

Pull Request #515: Easier vis macro loading

IWCD_500MeVem_centre_xdir

Tests
2614.86 sec
wcsimrootevent plot pass
wcsimrootevent2 plot pass
wcsimrootevent_OD plot pass
Geom pass
bad pass
Geometry warnings pass