Corrected ordering of V_PD.
Now explicitly set raw mode's VMIN = 1 and VTIME = 0.
Updated list of atom names.
Hardcoded is_emergency_stopped() to return false, since button is not wired in.
Now init timers every time engine starts, stop timers cleanly.
start_animation() no longer asserts, since trigger_fault() calls it.
Implemented report_motors().
Removed stray debug printf from get_enum_variable().
Now does simple X motion and laser pulsing.