formating and copyrights, clang-format is (now) part of container

.gitlab-ci.yml

Documentation/Examples/cascade_example.cc

Documentation/Examples/em_shower.cc

Documentation/Examples/vertical_EAS.cc

Environment/NuclearComposition.h

Framework/Cascade/Cascade.h

Framework/ProcessSequence/testProcessSequence.cc

Processes/EnergyLoss/EnergyLoss.cc

Processes/EnergyLoss/EnergyLoss.h

Processes/ObservationPlane/ObservationPlane.cc

Processes/ObservationPlane/ObservationPlane.h

Processes/ParticleCut/ParticleCut.cc

Processes/Proposal/ContinuousProcess.cc

Processes/Proposal/Interaction.cc

Processes/Proposal/ProposalProcessBase.cc

Processes/Proposal/ProposalProcessBase.h

do-clang-format.py