Update notes for submitted changes

* DfsInserter: buffer up to streamFileThreshold from InputStream

63/eb9042a4b7e71c4ff0bbea7005cf453c2b9df9

+Code-Review+2: Dave Borowitz <dborowitz@google.com>
+Verified+1: Hudson CI
+Submitted-by: Dave Borowitz <dborowitz@google.com>
+Submitted-at: Wed, 13 Aug 2014 12:44:05 -0400
+Reviewed-on: https://git.eclipse.org/r/31482
+Project: jgit/jgit
+Branch: refs/heads/master