Merge pull request #22 from Azaezel/deferred_shading

flips alphatest over to using the color buffer
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.
cloudlayer sorting:
source- enables zbuffer read in the used stateblock
shader- z to w trick.
Merge branch 'deferred_shading' of https://github.com/andr3wmac/Torque3D into deferred_shading