UFO:Alien Invasion Code

* Recompressed all textures in base/textures/tex_misc with Trimage image compressor and commited those files, where a filesize reduction of at least 5% (up to 86.9%) was achieved

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

* An animated texture for a vehicle entrance panel for the city RMA. Not yet animated in MAT file.

* Some new textures for an electrical box

* Some new/updated textures

* New advert textures for city RMA