Docs:  Maintenance: PR number for Graphite Sink
The PR number for the Graphite sink in the maintenance docs
was incorrect.  This fixes it.
@@ -34,7 +34,7 @@ List of Owners
| Monasca | :heavy_check_mark: | :x: | | :no_entry: [1] |
| OpenTSDB | :heavy_check_mark: | :x: | @bluebreezecf | :ok: |
| Riemann | :heavy_check_mark: | :x: :new: | @jsoriano (temporarily) | :no_entry: [2] |
-| Graphite | :heavy_check_mark: | :x: | @jsoriano / @theairkit | :new: #1407 |
+| Graphite | :heavy_check_mark: | :x: | @jsoriano / @theairkit | :new: #1341 |
| Wavefront | :heavy_check_mark: | :x: | @ezeev | :new: #1400 |
- [1] Monasca now has native support for Kubernetes, so this is no longer needed (see https://github.com/kubernetes/heapster/issues/1407#issuecomment-266008730 and https://github.com/openstack/monasca-agent/blob/master/docs/Plugins.md#docker)
