fixed type in path of AoI building tileset

public/aoi.js

@@ -66,7 +66,7 @@ $(function () {
 
 
 	var tileset = viewer.scene.primitives.add(new Cesium.Cesium3DTileset({			
-		url: 'buildingTiles/Aoi/tileset.json',		
+		url: 'buildingTiles/AoI/tileset.json',		
 		show: true
 	}));