WCSim Validation

7564d6076abb354646324015235d3ec40bdbe8ca

Pull Request #552: Add GetSlopes option for 1D as well as 2D

IWCDOD_500MeVem_centre_xdir

Tests
3223.24 sec
wcsimrootevent plot pass
wcsimrootevent2 plot pass
wcsimrootevent_OD plot pass
Geom pass
bad pass
Geometry warnings pass