Update notes for submitted changes

* scanPacks to return reftables even if no packs

bf/8057058e126f7ca325d6a45b96de73ddd14844

@@ -0,0 +1,7 @@
+Verified+1: CI Bot
+Code-Review+2: Jonathan Nieder <jrn@google.com>
+Submitted-by: Jonathan Nieder <jrn@google.com>
+Submitted-at: Thu, 22 Mar 2018 20:50:46 -0400
+Reviewed-on: https://git.eclipse.org/r/120028
+Project: jgit/jgit
+Branch: refs/heads/master