New command line option for App --msgsvc=VERBOSE (INFO, DEBUG, …)

App/inc/AppOptionsDescription.h

App/src/AppOptionsDescription.cpp

App/src/TestMiscellaneous.cpp

App/src/main.cpp

Core/Algorithms/src/MultiLayerDWBASimulation.cpp

Core/Tools/inc/MessageSvc.h

Core/Tools/src/CoreOptionsDescription.cpp

Core/Tools/src/MessageSvc.cpp

Core/Tools/src/ProgramOptions.cpp