message: Load envmap from inifile
diff: @@ -392,6 +392,14 @@ struct renderer : viewer_type
  use_headlight = headlight;
  }
  + // Environment map
  + std::string envmap = env_map_filename;
  + err = ini.get_string("envmap", envmap, true /*remove quotes*/);
  + if (err == inifile::Ok)
  + {
  + env_map_filename = envmap;
  + }
  +
  // Supersampling
  uint32_t ssaa = ssaa_samples;
  err = ini.get_uint32("ssaa", ssaa);
  