magnetic fields, refactorred

corsika/detail/framework/core/Cascade.inl

corsika/detail/framework/geometry/Helix.inl

corsika/detail/framework/geometry/Line.inl

corsika/detail/framework/process/ProcessSequence.inl

corsika/detail/framework/utility/QuarticSolver.inl

corsika/detail/media/BaseExponential.inl

corsika/detail/media/FlatExponential.inl

corsika/detail/media/ShowerAxis.inl

corsika/detail/media/SlidingPlanarExponential.inl

corsika/detail/media/VolumeTreeNode.inl

corsika/detail/modules/ObservationPlane.inl

corsika/detail/modules/TrackWriter.inl

corsika/detail/modules/tracking/TrackingLine.inl

corsika/detail/stack/history/HistoryObservationPlane.hpp

corsika/framework/core/Cascade.hpp

corsika/framework/geometry/Helix.hpp

corsika/framework/geometry/Intersections.hpp

corsika/framework/geometry/Line.hpp

corsika/framework/geometry/Sphere.hpp

corsika/framework/utility/QuarticSolver.hpp