moveoff_gui: provisions for non-axis ui

use soft link for hookup_moveoff.tcl to share with others
catch error if no *.resume-inhibit pin exists

Signed-off-by: Dewey Garrett <dgarrett@panix.com>
pyngcgui_touchy_moveoff.ini: touchy moveoff demo

sim config:
 configs/sim/touchy/ngcgui/pyngcgui_touchy_moveoff.ini

Uses:

  [HAL]HALFILE = hookup_moveoff.tcl
     to run-time modify hal config to add moveoff component

  [APPLICATIONS]APP = sim_pin
     to simulate external controls for:
     touchy.cycle-start, halui.program.pause

  [APPLICATIONS]APP = moveoff_gui
     to start moveoff_gui

Signed-off-by: Dewey Garrett <dgarrett@panix.com>