Additional Field Info

Display additional info in the field info panel when walking through a field:
- Area of each field in the current land
- Current land area
- Price per ha (per ac) of the cultivated area on land you don't own
- Potential harvest quantity and yield on ready to harvest fields
==== CHANGELOG ====
New in v1.0.1.0
- Potential harvest quantity and yield added
Fixed in v1.0.1.1
- Manage farmlands with several fields by showing them one by one after each refresh