Merge pull request #2404 from TomFischer/ImproveErrorMessage

Applications/DataExplorer/DataView/GEOModels.cpp

Applications/DataExplorer/DataView/GEOModels.h

Applications/DataExplorer/DataView/SHPImportDialog.cpp

Applications/DataExplorer/DataView/SHPImportDialog.h

Applications/DataExplorer/mainwindow.cpp

Applications/FileIO/Legacy/OGSIOVer4.cpp

Applications/FileIO/Legacy/OGSIOVer4.h

Applications/FileIO/Legacy/createSurface.cpp

Applications/FileIO/Legacy/createSurface.h

Applications/FileIO/SHPInterface.cpp

Applications/FileIO/SHPInterface.h

Applications/FileIO/readGeometryFromFile.cpp

Applications/FileIO/readGeometryFromFile.h

Applications/Utils/FileConverter/convertGEO.cpp

Applications/Utils/GeoTools/TriangulatePolyline.cpp

...Utils/MeshEdit/CreateBoundaryConditionsAlongPolylines.cpp

Applications/Utils/MeshEdit/NodeReordering.cpp

...tions/Utils/MeshEdit/ResetPropertiesInPolygonalRegion.cpp

Applications/Utils/MeshEdit/appendLinesAlongPolyline.cpp

...s/MeshGeoTools/computeSurfaceNodeIDsInPolygonalRegion.cpp