Update copyright years

lisp/ob-tangle.el

@@ -1,6 +1,6 @@
 ;;; ob-tangle.el --- extract source code from org-mode files
 
-;; Copyright (C) 2009-2015 Free Software Foundation, Inc.
+;; Copyright (C) 2009-2016 Free Software Foundation, Inc.
 
 ;; Author: Eric Schulte
 ;; Keywords: literate programming, reproducible research

testing/lisp/test-ob-tangle.el

@@ -1,6 +1,6 @@
 ;;; test-ob-tangle.el --- tests for ob-tangle.el
 
-;; Copyright (c) 2010-2014 Eric Schulte
+;; Copyright (c) 2010-2016 Eric Schulte
 ;; Authors: Eric Schulte
 
 ;; This file is not part of GNU Emacs.