Link to issue tracker

Signed-off-by: Armin Ronacher <[email protected]>

Author: baijum

docs/_templates/sidebarintro.html

@@ -18,4 +18,5 @@ <h3>Useful Links</h3>
   <li><a href="http://flask.pocoo.org/">The Flask Website</a></li>
   <li><a href="http://pypi.python.org/pypi/Flask">Flask @ PyPI</a></li>
   <li><a href="http://github.com/mitsuhiko/flask">Flask @ github</a></li>
+  <li><a href="http://github.com/mitsuhiko/flask/issues">Issue Tracker</a></li>
 </ul>