Update copyright years

LICENSE

@@ -1,4 +1,4 @@
-Copyright (c) 2013, Loïc Hoguin <essen@ninenines.eu>
+Copyright (c) 2013-2014, Loïc Hoguin <essen@ninenines.eu>
 
 Permission to use, copy, modify, and/or distribute this software for any
 purpose with or without fee is hereby granted, provided that the above

erlang.mk

@@ -1,4 +1,4 @@
-# Copyright (c) 2013, Loïc Hoguin <essen@ninenines.eu>
+# Copyright (c) 2013-2014, Loïc Hoguin <essen@ninenines.eu>
 #
 # Permission to use, copy, modify, and/or distribute this software for any
 # purpose with or without fee is hereby granted, provided that the above