fixing up stuff from failed merging
fxaa11 (copied from girlpower\sm4\depth_edge) + helppatch
cubemap converters
some texture modules + tfx
depth reconstruction filter + colordepth layer
default lighting shaders now deal with non-uniform scale transforms, added more techniques for cubemap shader
added Halo and NoiseDithering, + sprite layer module
noise tfx
more techniques for Blur tfx, added TextureCache module
moved assets to /modules to make it visible for v4
Merge pull request #20 from unc-quite/master

fixing up stuff from failed merging