Merge pull request #429 from opdemand/362-manual-ssh-sudo

Note that `nodes:create` requires password-less sudo, refs #362.

Author: mboersma

docs/topologies/scale-manually.txt

@@ -8,4 +8,8 @@ Deis will use the layer's SSH configuration to bootstrap the node.
 .. code-block:: console
 
     $ deis nodes:create dev node1.example.com --layer=runtime
-    Creating node for node1.example.com... done in 107s
+    Creating node for node1.example.com... done in 107s
+
+.. note::
+	To bootstrap a node manually, ``deis nodes:create`` requires the
+	SSH user to be able to run ``sudo`` without entering a password.