Merge branch 'feature/projection' into 'develop'

src/algebra/TinyMatrix.hpp

src/language/modules/SchemeModule.cpp

src/language/modules/SchemeModule.hpp

src/language/utils/BuiltinFunctionEmbedder.hpp

src/language/utils/EvaluateArrayAtPoints.hpp

src/language/utils/InterpolateItemArray.hpp

src/language/utils/ItemArrayVariantFunctionInterpoler.cpp

src/language/utils/PugsFunctionAdapter.hpp

src/mesh/CMakeLists.txt

src/mesh/ItemArrayUtils.hpp

src/mesh/ItemValueUtils.hpp

src/mesh/MeshData.cpp

src/mesh/MeshData.hpp

src/mesh/MeshSmoother.cpp

src/mesh/MeshSmoother.hpp

src/scheme/CMakeLists.txt

src/scheme/DiscreteFunctionVectorInterpoler.cpp

src/scheme/FluxingAdvectionSolver.cpp

src/scheme/FluxingAdvectionSolver.hpp

src/scheme/IBoundaryConditionDescriptor.hpp