CncControl: when displaying coordinates, account for current coordinate mode
Align.render_grid: axis numbers stay the same regardless of the scale
Align.mark_location_widget: use CncControl, not Cnc
Align.gui: calibrarion points now use CncControl instead of Cnc
Align.alignment_widget: now uses CncControl instead of Cnc
LiveView: support scaling
Align: the used video device is now parametrized
LiveView: removed debug output
Align: disable debug output
Upload.receiver: removed an unused variable
Align.gui: minor syntactic change
Align.gui: added saving
Align: gcode_to_tool is not of type _ option
GcodeMapper.transform: oops, use 'y' for y axis
Align, CncControl: added a way to retrieve view port position
CncControl: added way to retrieve camera offset and its position
Align: marks are now put at where the use sees, not at the tool position
GcodeMapper: take feed rate into account
CncControl.view: put the assertion protecting machine to use only we have a machine
Use new version of OCamlGcode