WCSim Validation

7e62d35bdf66e9d9ee8502c813f4c2ce0a02ddc6

Pull Request #572: LI NPhoton Variation

TEST_SK_5MeVem_centre_xdir

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