Grid Placement for Food

Snacks and drinks will use a 4x4 grid on a tile if placed on a table for more exact item placements.
Went through every drink there is and fixed some icons being way too far off from the center, thus resulting in the icon shown on an intirely different tile.

Here a screenie of what is now possible:

![Loading](http://i.imgur.com/7bZ6A0p.png)