Lulzbot AO-101 dual extruders settings

My Lulzbot AO-101 dual extruders settings.
inc. fix #1005 for : If the option DISABLE_INACTIVE_EXTRUDER ist active
the extruder switch to early

https://github.com/midopple/Marlin/commit/17aa67e4ea936293828df8246129636704b8a7b0