Collection of commonly used Cg shaders. These shaders are usable by either HLSL and/or Cg runtime compilers. The cg2glsl script will translate most of these into GLSL shaders.
I've fixed the style nits and newline issues. For some reason the comment for lcd-shader-gbc-color.cgp still shows despite the file being changed already.
Adds a color correction shader for Game Boy Color. For now, it is directly based on Gambatte's color correction implementation.