Created GenericFood class and ported Bacon to it.

Created GenericFood class to make custom foods.
Ported Bacon and raw Bacon to it.
Added potion effects when eating Bacons.
Eating raw bacon gives you a 60% chance of poison for 8 seconds.
Eating bacon gives you a 50% for strength for 2 minutes.
Also added a smelting recipe to smelt Raw Bacon into Bacon.