code: function getAuth() {
      if (!auth.key || auth.key.indexOf("goes-here") !== -1) {
          var err = new Error("API key missing");
          out.error(err.message);
          throw err;
      }
      if (!auth.secret || auth.secret.indexOf("goes-here") !== -1) {
          var err = new Error("API secret missing");
          out.error(err.message);
          throw err;
      }
      return auth;
  }
docs: Return the authentication parameters, if available.
  Otherwise, log to stderr and throw an error indicating missing
  authentication parameters.
  
  @return {Object} auth