hyphenates license years

Author: sdaitzman

Readme.md

@@ -166,7 +166,7 @@ $ DEBUG_FD=3 node your-app.js 3> whatever.log
 
 (The MIT License)
 
-Copyright (c) 2016 TJ Holowaychuk <tj@vision-media.ca>
+Copyright (c) 2014-2016 TJ Holowaychuk <tj@vision-media.ca>
 
 Permission is hereby granted, free of charge, to any person obtaining
 a copy of this software and associated documentation files (the