Fixed redirect of jupytercon button inside the landing page jumbotron

Author: cameronoelsen

index.html

@@ -10,10 +10,10 @@
                 <div class="col-md-12">
                     <img src="/assets/jupytercon-logo.svg" id="jupytercon-logo" class="img-responsive"/>
                     <h2 class="jupytercon-header">Announcing JupyterCon</h2>
-                    <h3 class="jupytercon-subheader">August 22, 2017 - August 25, 2017</h3>
+                    <h3 class="jupytercon-subheader">August 22 - 25, 2017</h3>
                     <h3 class="jupytercon-subheader">New York, NY</h3>
                     <div class="jupytercon-button">
-                        <a class="orange-button" href="https://try.jupyter.org/" target="_blank">Learn more about JupyterCon</a>
+                        <a class="orange-button" href="https://conferences.oreilly.com/jupyter/jup-ny" target="_blank">Learn more about JupyterCon</a>
                     </div>
                 </div>
             </div>