WCSim Validation

4faa39058cd6a7574949b17c0664a048ec3aaeb4

Pull Request #557: Feature/individual pmt dark rate

HKFDOD_500MeVem_ODbarrelUp_startY

Tests
0.84 sec
No wcsimrootevent in geometry
No wcsimrootevent2 in geometry
No wcsimrootevent_OD in geometry
Reference Geom not found
bad
Geometry warnings pass