UFO:Alien Invasion Code

* base/textures png crush.

* crushed png files

* Recompressed all textures in base/textures/tex_buildings with Trimage image compressor and commited those files, where a filesize reduction of at least 5% (up to 95.2%) was achieved

* Large versions for tex_buildings/wall023-25

* Minor map texture rescale operation:
* [TEXTURE_.MAP_RESCALE-tex_buildings/wall023-0.5-0.5]
* [TEXTURE_.MAP_RESCALE-tex_buildings/wall024-0.5-0.5]
* [TEXTURE_.MAP_RESCALE-tex_buildings/wall025-0.5-0.5]
* [TEXTURE_.MAP_RESCALE-tex_doors/door009-0.3125-0.3125] Previous tex size was non-power-of-2: 160x80 pixel
* [TEXTURE_.MAP_RESCALE-tex_material/metal002-0.25-0.25]
* [TEXTURE_.MAP_RESCALE-tex_material/metall007-0.25-0.25]
* [TEXTURE_.MAP_RESCALE-tex_misc/pipes002-0.3125-0.5] Previous tex size was non-power-of-2: 160x128 pixel
* [TEXTURE_.MAP_RESCALE-tex_vehicles/gabstap_b-0.25-0.25]
*
* Rescaled all above mentioned textures on all map files and prefabs
*
* Replaced wall023 and wall023_nm with their high-res doubles
* Removed redundant wall023lrg and wall023lrg_nm
* Replaced non-power-of-2 door009.jpg texture with high-res, hq png version
* Replaced metal002.jpg with hq, high-res png version
* Replaced metall007.jpg with hq, high-res png version
* Replaced pipes002.jpg with hq, high-res png version
* Replaced gabstap_b with hq, high-res version
*
* Updated LICENSES

* Reduced filesize of the tex_buildings textures folder by compressing/optimizing the .png files with pngout

* Licensed a few more textures

* GPL'd tex_material/metall008

* Normalmaps for some of my textures that were missing them.

* Some new textures for an electrical box