Add hyperlink to keynote livstream for 2016 conf

src/views/conference/index/index.jsx

@@ -30,7 +30,9 @@ var ConferenceSplash = React.createClass({
                     </p>
                     <p className="sub-button">
                         <b>
-                            Scratch@MIT is sold out!
+                            <a href="http://bit.ly/scratchmit2016-live" target="_blank">
+                                Watch the keynote live
+                            </a>
                         </b>
                     </p>
                 </TitleBanner>

src/views/conference/index/index.scss

@@ -31,6 +31,11 @@
 
             b {
                 margin-top: 2rem;
+
+                a {     
+                    text-decoration: underline;       
+                    color: $type-white;       
+                }
             }
 
             a {