Fixes Fluid Color Render in Tanks and Refineries

This only fixes tank and refinery fluid color rendering in world

The remaining color abnormalities to review:
- Guis
- Pipes
- Anything else that does not use this display list for rendering

Picture of Change: 
- (Left is before, Right is after)
![2013-08-03_21 59 50](https://f.cloud.github.com/assets/1859805/906122/1d8a9cce-fc70-11e2-9c1b-d00ce46f7d1f.png)