Create the MPI comparision/reduce operators

cmake/toolchains/gnu_no_py.cmake

cmake/toolchains/gnu_py.cmake

cmake/toolchains/intel_no_py.cmake

cmake/toolchains/intel_py.cmake

src/mpi_interface/MPI_ops.cpp

src/mpi_interface/MPI_ops.hpp

src/utils/compare_features.cpp

src/utils/compare_features.hpp