Improved SCREEN / MENU macros

- Use `size` and `count` instead of `length` and `size`
- Fix bug: `peek` should return the item
- Clean up comments, spacing, spelling

Allow encoder pulse/step override for more LCDs

Patch for COREYZ, tweak to scaled feedrate macro

Correct typo in retract()

Buzzer requires BEEPER_PIN

Auto-select power plugs for RAMPS derivatives

Fix babystepping dependency

Use a default argument in _lcd_move_e

Move font folder

PID_EXTRUSION_SCALING, disabled by default

Wrangle RAMPS variants and derivatives

Update refresh_positioning - no need for obj ref

repair-software-spi

FIX for endstop adjustemt on delta is offset

Fix for PR #4452 (Additional heater-state output changes)

Update distribution date and readme

endstop trigger point. The move is stopped at endstop, so current_position
should also be adjusted to reflect this!

Caused error in subsequent call in endstop adjustment, since the movement
would assume a wrong starting position.

・Add missing ';'

Follow-up the PR #4408 (Add support for reprapworld LCD), etc

Make Conditionals.h a catch-all for old configs

・Put #define REPRAPWORLD_GRAPHICAL_LCD into all the example
configuration files
・Adjust spacing

Followup to #4468

Fix for PR #4453 (Improved MANUAL_[XYZ]_HOME_POS)