renderer: Fix mismatches for Aerlia's screenshot

[nictuku]

http://stardew.farm/screenshot/56f360131700d41646571433/1458610488.png

should match:

https://cloud.githubusercontent.com/assets/7285555/13939708/ae518942-ef94-11e5-8511-99485234f4e7.png

(Except for the modded colors)

What appears to be missing:

• Fruit trees, with fruits
• Well
• Stable
• Horse
• Slime Hutch

[nictuku]

The game also has building shadows, but I'm not really worried about them. They are inconsistent in the game - the farm house doesn't have shadows, for example.