Add example configuration for Boots Industries V2.5 Delta Printer

Stow Z probe on M402 without extra raise

Tweak to planner.cpp position.debug

Cleanup language.h

Fix compile error in configuration_store.cpp

Fixed sintaxis error of filament runout

Enable TRP for the bed

Add M428 to set home_offset logically

- Also move audio feedback into the command
- Added shorthand for `lcd_buzz` availability

Enable thermal runaway protection by default

in all Configurations.

Add pin configuration for Brainwave Pro

language_de.h: updated translation and minor typos

Fix the M303 S-1 report text

Make EEPROM reproducible in GCode

Remove obsolete STRING_URL

Update of servo.h

Example Configuration for K8200: comments/URL/readme

Latest upstream commits

Allow Y to home before X with option in Configuration_adv.h.

Disable endstops between homing bumps

Fix homing Z position

Add `sync_plan_position()` after `axis_is_at_home(axis)` to keep the
planner position in sync when homing.

We mark this historic day, when Marlin went to China.

This makes `M421` more amenable for irregular matrices

Level Bed in Prepare submenu

Updated "servo.h" to "Servo.h"

Corrected "servo.h" to "Servo.h" because of the updated filename.

- Add “Level Bed” menu item for auto bed leveling
- Hide the option if homing has not been done yet
- Arrange the Prepare submenu more logically (?)
- Add documentation comments, some white-space
- Apply some coding standards here and there
- Move old encoder multiplier debug option to `ultralcd.cpp`

language_de.h: updated translation and minor typos

K8200 example Configuration.h:
* STRING_URL removed: like proposed by thinkyhead in #1917

Conflicts:
	Marlin/example_configurations/K8200/Configuration.h

This addresses comments in #1956 and #1079. In particular, this is useful
when both endstops are stationary on a CoreXY system, and the Y axis needs
to be homed before the X so the flags are aligned.