Merge branch 'master' into wrong_usage_of_bethe

CMakeLists.txt

corsika/detail/framework/geometry/Path.inl

corsika/detail/modules/proposal/HadronicPhotonModel.inl

corsika/detail/modules/proposal/InteractionModel.inl

corsika/detail/modules/sophia/InteractionModel.inl

corsika/detail/modules/sophia/ParticleConversion.inl

corsika/framework/geometry/Path.hpp

corsika/modules/PROPOSAL.hpp

corsika/modules/Random.hpp

corsika/modules/Sophia.hpp

corsika/modules/proposal/HadronicPhotonModel.hpp

corsika/modules/proposal/InteractionModel.hpp

corsika/modules/radio/propagators/SignalPath.hpp

corsika/modules/sibyll/HadronInteractionModel.hpp

corsika/modules/sophia/InteractionModel.hpp

corsika/modules/sophia/ParticleConversion.hpp

corsika/modules/sophia/Random.hpp

corsika/modules/sophia/SophiaStack.hpp

examples/corsika.cpp

examples/em_shower.cpp