Update the index page to refer to 0.13 as the current release.

index.html

@@ -11,9 +11,24 @@ For information about building json-c, see the <a href="https://github.com/json-
 <h2>Versions:</h2>
 
 Note: for the very latest development docs <a href="https://github.com/json-c/json-c">clone the source</a> and run "doxygen", then look in the doc directory.
+<br>
+
+Current release: <a href="json-c-0.13/doc/html/index.html">json-c-0.13</a>
+<br>Best starting points:
+<a href="json-c-0.13/doc/html/json__object_8h.html">json_object.h</a> or
+<a href="json-c-0.13/doc/html/json__tokener_8h.html">json_tokener.h</a>
+
+You can also look at the tests in <a href="https://github.com/json-c/json-c/blob/json-c-0.13/tests/">the tests directory</a> for some examples.<br>
+One of the simplest examples is 
+<a href="https://github.com/json-c/json-c/blob/json-c-0.13/tests/test2.c">test2.c</a>.
+
+
+<hr>
+
+<h3>Older releases</h3>
 
 <ul>
-<li>Current release: <a href="json-c-0.12.1/doc/html/index.html">json-c-0.12.1</a>
+<li><a href="json-c-0.12.1/doc/html/index.html">json-c-0.12.1</a>
 <br>Best starting points:
 <a href="json-c-0.12.1/doc/html/json__object_8h.html">json_object.h</a> or
 <a href="json-c-0.12.1/doc/html/json__tokener_8h.html">json_tokener.h</a>
@@ -43,9 +58,5 @@ Note: for the very latest development docs <a href="https://github.com/json-c/js
 <li><a href="http://oss.metaparadigm.com/json-c/doc/html/annotated.html">0.9 and earlier</a></li>
 </ul>
 
-You can also look at the tests in <a href="https://github.com/json-c/json-c/blob/json-c-0.12.1/tests/">the tests directory</a> for some examples.<br>
-One of the simplest examples is 
-<a href="https://github.com/json-c/json-c/blob/json-c-0.12.1/tests/test2.c">test2.c</a>.
-
 </body>
 </html>