Critical fix
Critical fix

This critical fix, because if we use G28, Z axis go to home too and printer will destroy self (ex: Prusa i3).
madhuni/AstroBox,abinashk-inf/AstroBox,abinashk-inf/AstroBox,madhuni/AstroBox,madhuni/AstroBox,abinashk-inf/AstroBox,madhuni/AstroBox,AstroPrint/AstroBox,AstroPrint/AstroBox,AstroPrint/AstroBox,abinashk-inf/AstroBox