Code style.
Small readability fix.
Extract not only M109 and M190 from gcode, but also M104 and M140.
Fix small bug in extractGCode.
Extend extractGCodeInfo to parse temperatures from any command of the form 'M{104,109,140,190} [T?] {S,R}nnn ...'.
Rename cmake target to get rid of warning.
Add heating flag to drivers, the marlin driver uses this to indicate whether the printer is heating or not.
Fix typo in ipc_shared.