modified:   CMakeLists.txt
	modified:   src/npdet_to_step.cxx

	modified:   src/tools/CMakeLists.txt
	new file:   src/tools/src/npdet_to_step.cxx

Currently Plots:
1. Bz
2. B_parallel (to the ray)
3. B_perp (to the ray)

Will build flexible command line args.

Idea: Add the same tool but for integrated radiation length along the
ray.