Added custom meal rationing feature

Added detailed impact descriptions in unit combat efficiency UI

Implemented effect of food nutrition on squad combat capability

Cigarette unit changed from pack to stick

Loud and sweltering armored vehicles affect crew morale

Potatoes reclassified as vegetables due to low calorie content

Flour can now be ordered from the rear

Quick repair kits can now be ordered from the rear

Fixed issue where materials could not be selected by filter rules when producing items

Fixed issue where artillery impact zones incorrectly generated large amounts of human remains

Fixed issue where material filtering function would not work in certain situations

Fixed some UI display errors