* crushed png files
* Recompressed all textures in base/textures/tex_material with Trimage image compressor and commited those files, where a filesize reduction of at least 5% (up to 92.3%) was achieved
* Added s_wood001 normalmap (==wood001_nm.png), updated LICENSES
* Added new normalmaps for bricks_r_6, wood001, roof002, roof012 and wall006 textures, updated LICENSES