removed forward rendering and single light casing.

currently draws nothing - transitioning to gbuffer.
/n @ EOF
Compiling and using GBuffer. nhpot function.

no visuals yet
Functional albedo pass to GBuffer.

normals and depth commented out, and not implemented.
GBuffer now being populated with normals and depth.

Now fully populated.
Removed extra shader bits in GBuffer.
Added a position Texture to GBuffer.

Temporary measure.
Temporary GBuffer combination shader.

Silly shader that jams together the layers. No lighting being done.
Psychedlic mode?
some work on combination shader
Further work on proper GBuffer lighting. Serious issues.

scene seems divided at the axis.
Floating point textures.

GBuffer can now hold negative values amd all.
Better errors. Proper light location.

Feature parity w/ non deferred renderer.
Merge pull request #10 from zethraeus/deferred_rendering

Deferred rendering