Conflicts:
	Marlin/boards.h

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

[1.1.x] Add MKS GEN L board

[1.1.x] Fix EndStops don't work with BOARD_RAMPS_14_EFB on Micromake C1

Creality board is a Melzi / Sanguinololu variant, but using different pins for LCD control (and maybe other minor variations)

Add support for new electronics
www.reprapobchod.cz

Supports both dual and single head printers (with the correct config).
Includes community sourced feed rate fix.

Rename / move files.

Remove redundant definitions.

Following up on #3231

The PrintrBoard Rev F utilizes a mcp4728 DAC to set motor current. Printrbot's implementation utilizes 2 new M-codes to set and write the DAC settings to the DAC EEPROM: `M909` (Read DAC) and `M910` (Write DAC). `M907` is re-used to set value, `M908` for direct control.

The Pins file for the RevF board is included.

 - Remove the forced activation of SDSUPPORT, I guess people may use the ZUM
3D board and not the LCD module.
 - Fixed the tab issue within boards.h file.

Added support for BQ ZUM Mega 3D board and stock Hephestos 2 thermistor.

because of hardware differences on the SERVO0_PIN

to MELZI_MAKR3D.

Fix for #2288
As the normal MELZI also can have a 1284.

No way to fit Marlin into 32K.

Created a new board to make using RAMPS as a CNC machine controller
easier. It maps pin 8 to the spindle and pin 9 to the controller fan.

- Also apply cleanup for #1514

- Also partial cleanup of Marlin_main.cpp with a smidgen of Doxygen.