Summary: CLI was not working: - setup now needs an object with arguments passed - the `argv` property is needed by `yargs` to work in node: http://yargs.js.org/docs/#api-argv Reviewed By: passy Differential Revision: D13991958 fbshipit-source-id: a9432b27f3d4d24c1e43014b8fb87dca806a6e8a