LOWER ANIMAL PRICES V1.1.0.0

Description:
Changes animal prices in the animal shop:
Cow Price: 2500
Sheep Price: 1600
Pig Price: 750

Update 1.1.0:
changed the pig’s price to have a realistic selling price (950€) and a realistic purchase price for the breeding pig (1600€);
bug fix.

Authors:
vortex1988