add bdw script

test_scripts/horizon/mpi/BDW.sh

+#!/bin/bash
+#SBATCH -J mpi_hello
+#SBATCH --ntasks=48
+#SBATCH --ntasks-per-node=16
+#SBATCH --time=0:40:00
+
+#SBATCH -C BDW28 
+
+#SBATCH --exclusive
+#SBATCH --output mpi.output.slurm.%J
+
+set -e
+
+module load intel openmpi/icc/2.0.2
+
+ulimit -s unlimited
+
+export MXM_LOG_LEVEL=error
+srun ../../../bin/hello_mpi