Change the config values for homing direction to home_to_min and home_to_max
change the direction in code to bool, true if homing to min false if homing to max
swap test so old configs will not break
add comments to config
Merge remote-tracking branch 'upstream/edge' into fix/endstops
Merge branch 'fix/endstops-nc' of https://github.com/wolfmanjm/Smoothie into fix/endstops
Merge remote-tracking branch 'upstream/edge' into fix/endstops
Merge pull request #150 from wolfmanjm/fix/endstops

Change the config values for homing direction to home_to_min and home_to...