Update Copyright Year

Author: KraigWalker

site/jekyll/_layouts/default.html

@@ -55,7 +55,7 @@
 
     <footer class="wrap">
       <div class="right">
-        &copy; 2014-2015 Facebook Inc.
+        &copy; 2014-2016 Facebook Inc.
         <a href="https://github.com/reactjs/React.NET/blob/master/site/jekyll/{{ page.path }}" target="_blank">
           Edit this page on GitHub
         </a>