removed unused files, style, copyright

Data

Documentation/Examples/em_shower.cc

Documentation/Examples/hybrid_MC.cc

Documentation/Examples/particle_list_example.cc

Environment/IEmpty.hpp

Environment/IMagneticFieldModel.h

Environment/IMediumPropertyModel.h

Environment/IRefractiveIndexModel.h

Environment/MediumProperties.h

Environment/MediumPropertyModel.h

Environment/MediumTypes.h

Environment/NoMagneticField.h

Environment/ShowerAxis.cc

Environment/ShowerAxis.h

Environment/UniformMagneticField.h

Environment/UniformRefractiveIndex.h

Environment/properties8.dat

Environment/readProperties.py

Environment/testShowerAxis.cc

Framework/Analytics/CMakeLists.txt