extract bounding box and title from "Umgebungsplaene" POI file if not set already, also fixes UTF-8 BOM issues for all file formats
extract bounding box and title from "Umgebungsplaene" POI file if not set already,
also fixes UTF-8 BOM issues for all file formats

hholzgra/maposmatic,hholzgra/maposmatic,hholzgra/maposmatic,hholzgra/maposmatic,hholzgra/maposmatic