incl. proposal in cmake build. fix several problems.

Documentation/Examples/CMakeLists.txt

Documentation/Examples/boundary_example.cc

Documentation/Examples/cascade_example.cc

Documentation/Examples/cascade_proton_example.cc

Documentation/Examples/proposal_example.cc

Documentation/Examples/vertical_EAS.cc

Processes/CMakeLists.txt

Processes/ParticleCut/ParticleCut.cc

Processes/ParticleCut/ParticleCut.h

Processes/ParticleCut/testParticleCut.cc

Processes/Proposal/CMakeLists.txt

Processes/Proposal/ContinuousProcess.cc

Processes/Proposal/ContinuousProcess.h

Processes/Proposal/Interaction.cc

Processes/Proposal/Interaction.h

ThirdParty/CMakeLists.txt

do-copyright.py