adding missing 0.16 doc link and removing broken support links

Author: fabio-t

doc/support.rst

@@ -93,17 +93,8 @@ Documentation resources
 This documentation is relative to |release|. Documentation for other
 versions can be found here:
 
+    * `0.16 <http://scikit-learn.org/0.16/>`_
     * `0.15 <http://scikit-learn.org/0.15/>`_
-    * `0.14 <http://scikit-learn.org/0.14/>`_
-    * `0.13 <http://scikit-learn.org/0.13/>`_
-    * `0.12 <http://scikit-learn.org/0.12/>`_
-    * `0.11 <http://scikit-learn.org/0.11/>`_
-    * `0.10 <http://scikit-learn.org/0.10/>`_
-    * `0.9 <http://scikit-learn.org/0.9/>`_
-    * `0.8 <http://scikit-learn.org/0.8/>`_
-    * `0.7 <http://scikit-learn.org/0.7/>`_
-    * `0.6 <http://scikit-learn.org/0.6/>`_
-    * `0.5 <http://scikit-learn.org/0.5/>`_
 
 Printable pdf documentation for all versions can be found `here
 <http://sourceforge.net/projects/scikit-learn/files/documentation/>`_.