WCSim Validation

cacd2c5a08f2503192f74f4ce861338b9047163e

Pull Request #522: save sheet dimensions

IWCD_500MeVem_centre_xdir

Tests
2615.74 sec
wcsimrootevent plot pass
wcsimrootevent2 plot pass
wcsimrootevent_OD plot pass
Geom pass
bad pass
Geometry warnings pass