Comment and user screen cleanup
*Added comment headers to menu callback functions to make it easier to find the one you want to work on
*Cleaned up the Dry Run menu to show the correct information
*changed the displayAsDDHHMMSS function to only show two levels of information, saving lines on the display.
Backlight on/off control
*changes to support new navchuk idle detection
*blocking out of dry run menu if only one transition is setup