Fixed Z speed issues and some other bugs.
CNC display support
Fixed extruder issue with sd card pause.
Fixed dynamic menu handling. Fixex sd pause.
Merge commit 'c4938f490fbfb33d12b18262159f480445f50483' into 0.91_arxboard
Fixed delta bugs z-probe, extrusion, new board
Increase travel move accuracy
Merge remote-tracking branch 'remotes/upstream/master' into 0.91_arxboard
Use a slower restest factor for z probe