Summary: This diff allows using a DataTable without setting up a full datasource, which is simpler in case the dataset is small and/or fixed. For an continuously growing dataset a DataSource should still be set up.
Reviewed By: jknoxville
Differential Revision: D28037897
fbshipit-source-id: 2e56b1970e19f967c3752a78737b8f7a3f934b87