Cancel Objects - As seen at ERRF2019 (#15590)

Marlin/Configuration_adv.h

Marlin/src/Marlin.cpp

Marlin/src/Marlin.h

Marlin/src/feature/cancel_object.cpp

Marlin/src/feature/cancel_object.h

Marlin/src/gcode/feature/cancel/M486.cpp

Marlin/src/gcode/gcode.cpp

Marlin/src/gcode/gcode.h

Marlin/src/gcode/parser.cpp

Marlin/src/gcode/sdcard/M24_M25.cpp

Marlin/src/gcode/sdcard/M32.cpp

Marlin/src/gcode/stats/M75-M78.cpp

Marlin/src/gcode/temperature/M104_M109.cpp

Marlin/src/gcode/temperature/M140_M190.cpp

Marlin/src/gcode/temperature/M141_M191.cpp

Marlin/src/lcd/language/language_en.h

Marlin/src/lcd/menu/menu_advanced.cpp

Marlin/src/lcd/menu/menu_cancelobject.cpp

Marlin/src/module/planner.cpp

Marlin/src/module/stepper.cpp