* Updated the autolathe to use the datum/designs system (new file
autolathe_designs.dm)
* Added categories sub-menus for the autolathe, circuit_printer and
protolathe
* Added a max_multiplier var instead of hardcoding the max stack size to 50 (one can now produce an incomplete max size sheet in one click)
* Fixes #6362
Ticked autolathe_designs.dm
Conflict fixing
Merge pull request #6340 from Menshin/fabricators_polishing

Autolathe revamp and sub-menus for fabricators