fixed polygon JSON export
fixed polygon JSON export

lucalianas/ome_seadragon,crs4/ome_seadragon,crs4/ome_seadragon,lucalianas/ome_seadragon,crs4/ome_seadragon,lucalianas/ome_seadragon,crs4/ome_seadragon,lucalianas/ome_seadragon