add public set for endstop trims
tweak zprobe and avoid potential race condition
Merge pull request #393 from wolfmanjm/upstreamedge

add public set for endstop trims
show trim being set to 0
Merge pull request #394 from wolfmanjm/upstreamedge

show trim being set to 0
Fix wrong direction for config based trim values
Update firmware.bin
remove direction hacking for trims in config, update firmware.bin