flips alphatest over to using the color buffer
Merge pull request #22 from Azaezel/deferred_shading

flips alphatest over to using the color buffer
ahah! right reference (to replicate torques old workflow. the real right one'll come when we shift it over to using the specular target)
Merge pull request #23 from Azaezel/deferred_shading

ahah! right reference (to replicate torques old workflow. the real right...
- Removed cloud layer from chinatown
- Rebuilt demo with latest changes.
Merge remote-tracking branch 'Andrew/deferred_shading' into deferred_shading