[DO NOT MERGE] Updates grill sprites to tile better

OLD
![](http://puu.sh/d0bBo/c601a6f2ad.png)
![](http://puu.sh/d0m0J/59ad22ee3e.jpg)

NEW
![](http://puu.sh/cWuSq/017af7d04c.png)
![](http://puu.sh/d0mzn/a49285aa32.jpg)

Should be self explanatory when you notice the bottom / right sides.