Steve Kelly 98ca46006c Allow Y to home before X with option in Configuration_adv.h.
This addresses comments in  and . In particular, this is useful
when both endstops are stationary on a CoreXY system, and the Y axis needs
to be homed before the X so the flags are aligned.
..
Configuration.h Default MACHINE_NAME to "3D Printer"
Configuration_adv.h Allow Y to home before X with option in Configuration_adv.h.
_htaccess More robust fetch code, download buttons
boards.h Bring configurator up-to-date
language.h Added new PID autotune info, to make easy copy & paste results to marlin