Added MPI_VERSION and MPI_SUBVERSION preprocessor definitions
Set MPI_VERSION=1 and MPI_SUBVERSION=0 since MPI2 is not fully supported by mpi-serial
Added MPI_Get_Version subroutine
Added test that ensures that MPI_Get_Version returns the correct values.
Subtree merge from MCSclimate/mpi-serial
Added MPI_VERSION and MPI_SUBVERSION preprocessor definitions Set MPI_VERSION=1 and MPI_SUBVERSION=0 since MPI2 is not fully supported by mpi-serial Added MPI_Get_Version subroutine Added test that ensures that MPI_Get_Version returns the correct values.
Fixes MCSclimate/mpi-serial#8