Reduce v2.1, (c) Andrew Harvey c9607776@engmail.newcastle.edu.au

-Custom palette (predefined)
-Mipmaps
-8/16/24/32 bit uncompressed, mirrored TGA support for input
-Filtered Glenz

-Variable Glenz transparency
-Variable number of shades and tints
-Variable shade and tint colours
-Posturization
-Diffusion dithering
-Saves quantization tree

-Quantizes any number of PCX or TGA files to one palette
-Generates shading table
-Generates glenz table
-Some asm source code
