UFO:Alien Invasion Code

* base/models *.png files crush.

* crushed png files

* new solider models

* Reduced filesizes of the malelight soldier model textures by removing redundant texture parts and compressing/optimizing the files with pngout afterwards

* Quadrupled texture resolution for male soldiers in light armor to 512x512 pixel
* Versions based on original body texture made by Rasta (from UFO:AI data_source)