More doc tweaks

Author: edschofield

docs/_templates/sidebarintro.html

@@ -1,6 +1,6 @@
 <!--<h3>Python-Future</h3>
 <p>-->
-  Tools and help for an easier, safer, cleaner upgrade path to Python 3.
+  <h4>An easier, safer, cleaner upgrade path to Python 3.</h4>
 <!--
 </p>
 <h3>Other Formats</h3>
@@ -12,7 +12,7 @@ <h3>Other Formats</h3>
   <li><a href="http://jinja.pocoo.org/docs/jinja-docs.zip">as zipped HTML</a>
 </ul>
 -->
-<h3>Useful Links</h3>
+<!--<h3>Useful Links</h3>-->
 <ul>
   <li><a href="http://pypi.python.org/pypi/future">future @ PyPI</a></li>
   <li><a href="https://github.com/PythonCharmers/python-future">future @ github</a></li>