Fix EEPROM reversion.

* Fix G26's circle drawing...

This mostly catches the bugfix-v1.1.x branch up to bugfix-v2.0.0

I'll have to do something similar to get bugfix-v2.0.0 caught up to
bugfix-v1.1.x

* only use planner.leveling_active if appropriate

[1.1] Cleanup Nozzle class, fix XY vs Z move order

[1.1.x] CNC_COORDINATE_SYSTEMS

[1.1] Add Anet Keypad LCD pins for RAMPS

Working pin map for Anet LCD display.
Pins 1 and 2 must be swapped on cable.

[1.1] Update git helper scripts

[1.1.x] Operate in Native Machine Space

Fix probes configuration url

[1.1] Some cleanup around 'lcd_bootscreen()' and 'lcd_kill_screen()'

Move 'lcd_bootscreen()' from `lcd_init()` to 'setup()' where it is cexecute exactly once. Saves 'bool show_bootscreen'.
Move the call of 'lcd_custom_bootscreen()' to the begin of 'lcd_bootscreen()'.
Move the delays into the related functions.
Move the picture loop around 'lcd_kill_screen()' into the function.

[1.1.x] Faster menu navigation for Anet A8

* [1.1.x] G33 magic numbers

* oops

* comments

* oops

* warning

* better comment section

* remarks

* extra grids

* Added M303 thermal runaway protection

Currently, thermal runaway protection is not available during M303.
Therefore, if someone plugs the thermistors in incorrectly and goes to
autotune their printer, the printer temperature could runaway and damage
could occur.

* Replace removed line, clarifying its logic

[1.1.x] Fix automatic stepper assignment for X/Y/Z dual stepper drivers

[1.1] Fix watchdog in WATCHDOG_RESET_MANUAL mode AVR

Restore MKS_GEN_L

Removed by accident, I presume, when the file was cleaned up

* Fix case light "off" function

It would only turn the light off if brightness was 255

* Update Marlin_main.cpp

[1.1.x] Allow asterisks in G-Code commands

Addressing #6655

[1.1.x] Support for SilverGate Board

Addressing #8166

[1.1.x] Only show custom bootscreen once

* [1.1.x] Fix NO_MOTION_BEFORE_HOMING unwanted behaviour

NO_MOTION_BEFORE_HOMING should prevent XYZ movements only when homing is not done.
E axes should be allowed

* Update Marlin_main.cpp

* Update Marlin_main.cpp

* Update Marlin_main.cpp