Update notes for submitted changes

* Update dependencies to use the JGit-internal @Nullable
* Use the JGit-internal @Nullable annotation
* Add a JGit-internal Nullable type

3a/3bb2ce292fcfb8ad34408d2ac7106d05ba642f

@@ -0,0 +1,7 @@
+Code-Review+2: Jonathan Nieder <jrn@google.com>
+Verified+1: Jonathan Nieder <jrn@google.com>
+Submitted-by: Jonathan Nieder <jrn@google.com>
+Submitted-at: Mon, 09 Nov 2015 18:04:22 -0500
+Reviewed-on: https://git.eclipse.org/r/59993
+Project: jgit/jgit
+Branch: refs/heads/master

6d/db8e703bae2a74287bb5ac7ae94460324766cf

@@ -0,0 +1,7 @@
+Code-Review+2: Jonathan Nieder <jrn@google.com>
+Verified+1: Hudson CI
+Submitted-by: Jonathan Nieder <jrn@google.com>
+Submitted-at: Mon, 09 Nov 2015 18:04:14 -0500
+Reviewed-on: https://git.eclipse.org/r/59994
+Project: jgit/jgit
+Branch: refs/heads/master

ca/3ea18371d95a38738156287f300a289fb2c3ff

@@ -0,0 +1,7 @@
+Code-Review+2: Jonathan Nieder <jrn@google.com>
+Verified+1: Hudson CI
+Submitted-by: Jonathan Nieder <jrn@google.com>
+Submitted-at: Mon, 09 Nov 2015 18:04:11 -0500
+Reviewed-on: https://git.eclipse.org/r/59995
+Project: jgit/jgit
+Branch: refs/heads/master