Adding artifacts for the tutorial VM.

Change-Id: I5aea02fe70ec012d7fcacebaa2f9b15b949b41b8
diff --git a/tools/tutorials/vm/prepForExport b/tools/tutorials/vm/prepForExport
new file mode 100755
index 0000000..fb944a7
--- /dev/null
+++ b/tools/tutorials/vm/prepForExport
@@ -0,0 +1,10 @@
+#!/bin/bash
+# -----------------------------------------------------------------------------
+# Prepars the ONOS Tutorial VM for export; run from the VM.
+# -----------------------------------------------------------------------------
+sudo chattr +i ~/.config/xfce4/desktop/icons*
+destroyCluster
+sudo mn -c
+sudo dd if=/dev/zero of=zerofillfile bs=1M
+rm -f zerofillfile /tmp/*
+sudo shutdown now