Moves boxing armor and furniture to proper .jsons.
Mapgen directory.
No more dragging cupboards.

Cupboards are part of the floor/wall. If you can drag it around it's a
table.
Merge pull request #10642 from Rivet-the-Zombie/boxing

Redistributes boxing content into appropriate .json architecture.
typo: s/Pikcup/Pickup/
Merge pull request #10648 from alanpost/alanpost-typo-cleanup

typo: s/Pikcup/Pickup/
Merge pull request #10652 from Rivet-the-Zombie/cupboard

No more dragging cupboards.