Actsfw-79 Set const bfield value
This merge request depends on !68 (merged) and should be merged afterwards. It introduces the possibility to set the values of the constant magnetic field with boost program options. Fixes ACTSFW-79.
This merge request depends on !68 (merged) and should be merged afterwards. It introduces the possibility to set the values of the constant magnetic field with boost program options. Fixes ACTSFW-79.