Update notes for submitted changes

* Don't try to strip new line if the message buffer is empty

a4/b9c73391d75b6069908ce67e4414f30105c947

@@ -0,0 +1,7 @@
+Verified+1: Hudson CI
+Code-Review+2: Jonathan Nieder <jrn@google.com>
+Submitted-by: Jonathan Nieder <jrn@google.com>
+Submitted-at: Wed, 15 Mar 2017 19:19:23 -0400
+Reviewed-on: https://git.eclipse.org/r/93154
+Project: jgit/jgit
+Branch: refs/heads/master