Implemented rr_config web request for zpl's latest web interface
Implemented 7-factor auto calibration for delta printers
Fix bug with fileinfo calls corrupting memory
M563 can now be used to delete tools
Improved the macro file bed.g that gets run in response to a G32 command
to do an extra dummy probe at the start, and to do 2 sets of calibration
instead of just one.
Fixed G32 so that it really does run macro file bed.g if it exists
Added H parameter to M558 command
Added bed.g file for Mini Kossel with mechanical Z probe
