Add install MPI script

install_MPI.sh

 #!/bin/bash 
 
 mkdir ${HOME}/MPI
-wget http://www.open-mpi.de/software/ompi/v1.8/downloads/openmpi-1.8.5.tar.bz2
-tar -xvf openmpi-1.8.5.tar.bz2
-cd openmpi-1.8.5
+wget http://www.open-mpi.de/software/ompi/v1.8/downloads/openmpi-1.8.7.tar.bz2
+tar -xvf openmpi-1.8.7.tar.bz2
+cd openmpi-1.8.7
 sh ./configure --prefix=${HOME}/MPI --enable-opal-multi-threads --enable-mpi-f90
 make
 make install