Support for COREYX, COREZX, COREZY

Improvement for ENSURE_SMOOTH_MOVES

Add a fade factor for mesh leveling

Keep drawing menu unless screen changes

Refine material heatup menu items

Fix and optimize case-light code

MENU_HOLLOW_FRAME for the menu screens

MENU_HOLLOW_FRAME for the menu screens and
some pixel shifting to optimize the look with tall fonts. (cn)

Not more then 4 stripes for u8g-devices

To optimise speed.
Costs well invested 128Byte of RAM.

Optimize graphical display with selective rendering

Fix USE_BIG_EDIT_FONT

Change font decent to -1 for tr and gr

For speeding up font drawing unify font decent.
Tr and Gr have ben the only fonts with a font decent of -2.
Sorry for some, a bit compressd, but hopefully still readeble symbols.

Update Japanese translation

Follow-up the PR #5255 (Case light menu (3rd attempt))

・Add new translation

Drop "static" keyword in ultralcd.cpp function declarations

Turkish update (squashed)

Add check for Turkish Font before setting better font for graphic displays