Merge pull request #456 from endJunction/StdToString

BaseLib/DateTools.cpp

BaseLib/DateTools.h

BaseLib/StringTools.h

FileIO/Legacy/OGSIOVer4.cpp

FileIO/SHPInterface.cpp

FileIO/XmlIO/Boost/BoostVtuInterface.cpp

GeoLib/GEOObjects.cpp

GeoLib/Grid.h

Gui/DataView/FEMConditionSetupDialog.cpp

Gui/DataView/GEOModels.cpp

Gui/mainwindow.cpp

MathLib/LinAlg/Dense/DenseMatrix-impl.h

MathLib/LinAlg/Dense/DenseMatrix.h

MeshLib/MeshEditing/Mesh2MeshPropertyInterpolation.cpp

MeshLib/MeshQuality/MeshValidation.cpp

OGS/ProjectData.cpp

Tests/GeoLib/TestGEOObjectsMerge.cpp

Utils/FileConverter/ConvertSHPToGLI.cpp

...pleMeshCreation/createMeshElemPropertiesFromASCRaster.cpp