Merge branch 'CleanupDoxygenHeaders' into 'master'

Applications/ApplicationsLib/LinearSolverLibrarySetup.h

Applications/ApplicationsLib/ProjectData.cpp

Applications/ApplicationsLib/ProjectData.h

Applications/ApplicationsLib/Simulation.cpp

Applications/ApplicationsLib/Simulation.h

Applications/CLI/CommandLineArgumentParser.cpp

Applications/CLI/CommandLineArgumentParser.h

Applications/CLI/ogs.cpp

Applications/CLI/ogs_embedded_python.cpp

Applications/CLI/ogs_embedded_python.h

Applications/DataExplorer/DataView/MeshMapping2DDialog.cpp

Applications/DataExplorer/DataView/MeshMapping2DDialog.h

Applications/DataExplorer/VtkVis/NetCdfConfigureDialog.cpp

Applications/DataExplorer/VtkVis/NetCdfConfigureDialog.h

Applications/DataExplorer/VtkVis/VtkAppendArrayFilter.h

Applications/DataExplorer/VtkVis/VtkCompositeFilter.h

...taExplorer/VtkVis/VtkCompositeImageToPointCloudFilter.cpp

...DataExplorer/VtkVis/VtkCompositeImageToPointCloudFilter.h

...xplorer/VtkVis/VtkCompositeImageToSurfacePointsFilter.cpp

...aExplorer/VtkVis/VtkCompositeImageToSurfacePointsFilter.h