Clean-up of some hard coded constants.
Fixed line edit error introduced in the preceding check-in.
Enable a high power mode when first booted up on a virgin RAMBo board.
Implemented bed skew calibration by matching a precise physical model
to the measured data using the least squares method.
Rewrote handling of the command buffer to preserve memory
and allow pushing the commands to the front of the queue.
PavelSindler
michalprusa
bubnikv
Josef Prusa