DOC: update versions.html

Author: tacaswell

versions.html

@@ -1,8 +1,8 @@
 Other versions are available:
 
 <ul>
-  <li><a href="/3.1.1/index.html">3.1.1</a> Stable version.</li>
-  <li><a href="/2.2.4/index.html">2.2.4 LTS</a> LTS version.</li>
+  <li><a href="/3.1.3/index.html">3.1.3</a> Stable version.</li>
+  <li><a href="/2.2.5/index.html">2.2.5 LTS</a> LTS version.</li>
   <li><a href="/3.0.3/index.html">3.0.3</a> Older stable version.</li>
   <li><a href="/devdocs/index.html">development</a> Latest git master (unstable)</li>