Idea from Plurples.
Whet grow time 9.8 -> 12 days.
OptimalityOffset:
Hardtack: -5 ===> 40 (still lower then jelly/berries/pemmican but better then nutrient paste)
Bread: -2 ===> 14 (2 less then simple meals, pawns won't walk far to get simple meal instead of bread)
Also fixes hopper bug.
