Merge branch 'spdlog-update' into 'master'

Applications/CLI/ogs.cpp

Applications/CLI/ogs_python_module.cpp

Applications/DataExplorer/DataExplorer.cmake

Applications/FileIO/Gmsh/GMSHPolygonTree.cpp

Applications/Utils/FileConverter/TecPlotTools.cpp

...s/MeshGeoTools/computeSurfaceNodeIDsInPolygonalRegion.cpp

...odelPreparation/PartitionMesh/NodeWiseMeshPartitioner.cpp

BaseLib/Algorithm.h

BaseLib/CMakeLists.txt

BaseLib/FileTools.cpp

BaseLib/Logging.h

BaseLib/PrjProcessing.cpp

...llaryPressureSaturation/CapillaryPressureVanGenuchten.cpp

MaterialLib/MPL/Utils/FormEigenTensor.cpp

...lLib/MPL/Utils/FormKelvinVectorFromThermalExpansivity.cpp

MaterialLib/SolidModels/Ehlers.cpp

MeshLib/IO/XDMF/HdfWriter.cpp

MeshLib/IO/XDMF/writeXdmf.cpp

MeshLib/MeshEditing/AddLayerToMesh.cpp

MeshLib/MeshSurfaceExtraction.cpp