Make more data loads optional
Make more data loads optional

memex-explorer/memex-explorer,memex-explorer/memex-explorer,memex-explorer/memex-explorer,YongchaoShang/memex-explorer,memex-explorer/memex-explorer,YongchaoShang/memex-explorer,YongchaoShang/memex-explorer,YongchaoShang/memex-explorer