Greemech unity3d motion test

[maya test]: - a humble Greemech mecha ) - 4096x4096 ao, normal, diffuse, roghness, height, emission maps for the torso; - 4096x4096 ao, normal, diffuse, roghness, height maps for the chassis; -2048x2048 ao, normal, diffuse, height roughness maps for the pistols;