Update notes for submitted changes

* Format @NonNull on return value as method annotation
* Format @Nullable on return value as method annotation

60/8b6b03b1182329ae6f76a4c3938874dcc9c210

@@ -0,0 +1,8 @@
+Code-Review+1: Ivan Frade <ifrade@google.com>
+Code-Review+2: David Pursehouse <david.pursehouse@gmail.com>
+Verified+1: CI Bot
+Submitted-by: Jonathan Nieder <jrn@google.com>
+Submitted-at: Tue, 09 Oct 2018 19:50:18 -0400
+Reviewed-on: https://git.eclipse.org/r/130715
+Project: jgit/jgit
+Branch: refs/heads/master

b0/991ca80530bc6f73fd92ad5e183f434d26da1a

@@ -0,0 +1,7 @@
+Code-Review+2: David Pursehouse <david.pursehouse@gmail.com>
+Verified+1: CI Bot
+Submitted-by: Jonathan Nieder <jrn@google.com>
+Submitted-at: Tue, 09 Oct 2018 19:50:18 -0400
+Reviewed-on: https://git.eclipse.org/r/130716
+Project: jgit/jgit
+Branch: refs/heads/master