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 speed of integer square root function
Fixed bug in GCodeBuffer IsEmpty function (thanks zpl)
Changed tool numbers to start at T0 in all /sys files
Added sample macro files
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.
Add R parameter to M552 command to allow HTTP port to be configured
When listing SD card files, ignore files with a leading '.' in the
filename (e.g. files that Mac computers add to store metadata)
Merged zpl's changes for binary file uploading and PrintMonitor
Fixed bug with filament-based print time estimation
Fixed bug that caused feed rate to often not be restored after running
a macro
Print Z probe offsets at end of G32 sequence if Move debug is enabled
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
