Refactored temperatyure sensor code
Refactored fan control code
Support invisible axes (M584 P parameter)
Supprt user-defined virtual heaters
Support heater names
Support proportional thermostatic fan control
Fix G10 retraction command
Removed delta probe code
Changes to WiFi server and interface code for better network
reliability. FTP and MDNS now working on Duet WiFi.
Changed heater tuning to allow more time for the temperature to rise
when tuning a bed or chamber heater
Toned down the temperaure warning message