changed: use getopts in test drivers

the number of options were getting unmanagable as
a flat list.

also add help/usage to the scripts

tests/run-summary-restart-regressionTest.sh

@@ -6,16 +6,38 @@
 # but in situations where it is difficult to get the restart files to agree this
 # script can be used as second-best alternative.
 
-INPUT_DATA_PATH="$1"
-RESULT_PATH="$2"
-BINPATH="$3"
-FILENAME="$4"
-ABS_TOL="$5"
-REL_TOL="$6"
-COMPARE_ECL_COMMAND="$7"
-OPM_PACK_COMMAND="$8"
-EXE_NAME="${9}"
-shift 9
+if test $# -eq 0
+then
+  echo -e "Usage:\t$0 <options> -- [additional simulator options]"
+  echo -e "\tMandatory options:"
+  echo -e "\t\t -i <path>     Path to read deck from"
+  echo -e "\t\t -r <path>     Path to store results in"
+  echo -e "\t\t -b <path>     Path to simulator binary"
+  echo -e "\t\t -f <filename> Deck file name"
+  echo -e "\t\t -a <tol>      Absolute tolerance in comparison"
+  echo -e "\t\t -t <tol>      Relative tolerance in comparison"
+  echo -e "\t\t -c <path>     Path to comparison tool"
+  echo -e "\t\t -p <path>     Path to deck packing tool"
+  echo -e "\t\t -e <filename> Simulator binary to use"
+  exit 1
+fi
+
+OPTIND=1
+while getopts "i:r:b:f:a:t:c:p:e:" OPT
+do
+  case "${OPT}" in
+    i) INPUT_DATA_PATH=${OPTARG} ;;
+    r) RESULT_PATH=${OPTARG} ;;
+    b) BINPATH=${OPTARG} ;;
+    f) FILENAME=${OPTARG} ;;
+    a) ABS_TOL=${OPTARG} ;;
+    t) REL_TOL=${OPTARG} ;;
+    c) COMPARE_ECL_COMMAND=${OPTARG} ;;
+    p) OPM_PACK_COMMAND=${OPTARG} ;;
+    e) EXE_NAME=${OPTARG} ;;
+  esac
+done
+shift $(($OPTIND-1))
 TEST_ARGS="$@"
 
 BASE_NAME=${FILENAME}_RESTART.DATA