updated examples

corsika/detail/modules/proposal/Interaction.inl

corsika/framework/core/EnergyMomentumOperations.hpp

corsika/framework/units/quantity.hpp

examples/boundary_example.cpp

examples/cascade_example.cpp

examples/cascade_proton_example.cpp

examples/corsika.cpp

examples/em_shower.cpp

examples/hybrid_MC.cpp

examples/mars.cpp

examples/stopping_power.cpp

examples/vertical_EAS.cpp