message: attach promise utils atop bluebird
diff: @@ -14,6 +14,9 @@ See the License for the specific language governing permissions and
  limitations under the License.
  */
  +// This is only here to allow access to methods like done for the time being
  +import Promise from "bluebird";
  +
  // @flow
  // Returns a promise which resolves with a given value after the given number of ms
  