Merge branch 'Gmsh2OgsExtractBoundary' into 'master'

Applications/Utils/FileConverter/CMakeLists.txt

Applications/Utils/FileConverter/FEFLOW2OGS.cpp

Applications/Utils/FileConverter/GMSH2OGS.cpp

Applications/Utils/GMSH2OGS_ExtractBoundary.smk

Applications/Utils/MeshEdit/checkMesh.cpp

Applications/Utils/Tests.cmake

GeoLib/Grid.h

MeshLib/MeshEditing/RemoveMeshComponents.cpp

MeshLib/MeshEditing/RemoveMeshComponents.h

Tests/Data/MeshLib/A2-gmsh.msh

Tests/Data/MeshLib/A2.vtu

Tests/Data/MeshLib/A2_0.vtu

Tests/Data/MeshLib/A2_1.vtu

Tests/Data/MeshLib/A2_2.vtu

Tests/Data/MeshLib/A2_3.vtu

Tests/Data/MeshLib/A2_4.vtu

Tests/Data/MeshLib/A2_5.vtu

Tests/Data/MeshLib/A2_6.vtu

Tests/Data/MeshLib/A2_7.vtu

Tests/MeshLib/TestMeshNodeSearch.cpp