Alter dis script

Added ebeam and pbeam so that they can be grabbed from the config file

benchmarks/dis/dis.sh

@@ -111,6 +111,8 @@ cat << EOF > ${CONFIG}
   "rec_file": "${REC_FILE}",
   "detector": "${JUGGLER_DETECTOR}",
   "output_prefix": "${RESULTS_PATH}/${PLOT_TAG}",
+  "ebeam": ${EBEAM},
+  "pbeam": ${PBEAM},
   "test_tag": "${BEAM_TAG}"
 }
 EOF