PMB utility howto and now change to IMB by Intel

Needed files
1. mpich.tar.gz (http://www-unix.mcs.anl.gov/mpi/mpich2/downloads/mpich2-1.0.tar.gz)
2. PMB2.2.1.tar.gz (ftp://ftp.pallas.com/pub/PALLAS/PMB/PMB2.2.1.tar.gz)
Installation
tar zxvf mpich.tar.gz
tar zxvf PMB2.2.1.tar.gz
######### PMB ##################
Get into PMB2.2.1 directory
modify make_Linux file. MPI_HOME --> mpich directory
modify Makefile to enable "include make_Linux".
make (do not use parameter "all")
chmod 755 PMB2.2.1
chmod 755 SRC_PMB
*******************************************************
example command
Get into mpich/bin directory.
./mpirun -nolocal -np 4 PMB-MPI1 PingPong PingPing Sendrecv