Revert endstop flip
Reduce Z to give safety margin
Revert "Revert endstop flip"

This reverts commit 0a4b8155cf575c1dc64646a341b6fddc1c7cc7e0.
Incrase Z_MIN_POS for calibration ease
Adjust rod offset to eliminate dishing
Fix extruder esteps - not sure why this was so off