Some small updates

cleanup.sh

@@ -0,0 +1,13 @@
+#!/bin/bash
+
+. CONFIG.sh
+
+# set -o xtrace       ## To debug scripts
+# set -o errexit      ## To exit on error
+# set -o errunset     ## To exit if a variable is referenced but not set
+
+
+function main() {
+    sudo rm -rf image/ work/
+}
+main $@;