add list utility

bin/dm-list-files

+#!/bin/sh
+
+# Run command
+
+if [ -z $DM_ROOT_DIR ]; then
+    cd `dirname $0` && myDir=`pwd`
+    setupFile=$myDir/../setup.sh
+    if [ ! -f $setupFile ]; then
+        echo "Cannot find setup file: $setupFile"
+        exit 1
+    fi
+    source $setupFile > /dev/null
+fi
+source dm_command_setup.sh
+
+eval "$DM_ROOT_DIR/src/python/dm/aps_beamline_tools/cli/listFilesCli.py $DM_COMMAND_ARGS"
+
+