scripts/sign.sh
===============
 - autostart by window manager/desktop enviroment
 - designed to run along side scripts/sign_refresh.sh
 - update URL after "google-chrome -kiosk "

scripts/sign_refresh.sh
=======================
 - autostart by window manager/desktop enviroment
 - designed to run along side scripts/sign.sh

scripts/systemUpdate.sh
=======================
 - use cron to run periodically
 - designed so update all packages and restart computer without interaction.
