Stable version is 2.5 not 2.4

docs/.templates/page.html

@@ -7,7 +7,7 @@
         This document is for Celery's development version, which can be
         significantly different from previous releases. Get old docs here:
 
-        <a href="http://docs.celeryproject.org/en/latest/{{ pagename }}{{ file_suffix }}">2.4</a>.
+        <a href="http://docs.celeryproject.org/en/latest/{{ pagename }}{{ file_suffix }}">2.5</a>.
         </p>
         {% else %}
         <p>