Update notes for submitted changes

* Include supported extensions in PackFile constructor.

4a/317a1790ae0d7ca2febaf41ec326ae8a8839b7

@@ -0,0 +1,9 @@
+Code-Review+2: Shawn Pearce <sop@google.com>
+Code-Review+2: Colby Ranger <cranger@google.com>
+IP-Clean+1: Colby Ranger <cranger@google.com>
+Verified+1: Colby Ranger <cranger@google.com>
+Submitted-by: Colby Ranger <cranger@google.com>
+Submitted-at: Thu, 28 Feb 2013 14:45:55 -0500
+Reviewed-on: https://git.eclipse.org/r/9980
+Project: jgit/jgit
+Branch: refs/heads/master