updatd jumbotron

Author: Faris Chebib

_includes/jumbotron.html

@@ -4,6 +4,6 @@ <h1>Utah Python</h1>
     The Utah Python Meetup Group is a consortium of python meetup groups around Utah.
   </p>
   <p>
-    <a ui-sref="upcoming" class="btn btn-lg btn-success">Join Us</a>
+    <a ui-sref="locations" class="btn btn-lg btn-success">Join Us</a>
   </p>
-</div>
+</div>