Marlin shows three extruders on a dual:
Extruder - The active nozzle (varies)
Extruder 1 - The primary extruder
Extruder 2 - The secondary extruder
Hide first on the menu screens since seeing three nozzles may be confusing to users.
-Fixes to homing issues on gladiola
-No longer using enqueue_and_echo_commands_P since it seems unreliable.
-Build script now allows you to build specific model and toolhead.
Marcio Teixeira