Rather than include twice, which is tricky but may confuse

Followup #4402 fixing 3-point leveling

Move HAS_DIGIPOTSS to Conditionals.h

Clean up Transfer Buffer Size comment

Add support for reprapworld LCD

Arrange stepper_indirection by axis

Account for coordinate space offsets

Neaten up EEPROM read/write functions

Optimize planner with precalculation, etc.

Update Italian translations. Remove trailing spaces.

Sanity check for too many temp sensors