Merge pull request #5 from angular/ng-conf-videos

ng-conf video link

Author: Alex Wolfe

public/_includes/_hero-home.jade

@@ -12,6 +12,7 @@ header(class="background-sky")
 .banner.is-centered
   .banner-ng-annoucement
     h3.text-display-1 NG-CONF 2015
-    h4.text-subhead March 5-6. Salt Lake City, Utah
+    h4.text-subhead The Official Angular Conference
 
-  a(href="http://www.ng-conf.org/" class="button button-large button-banner"  md-button) Watch ng-conf
+  a(href="https://www.youtube.com/watch?v=QHulaj5ZxbI&index=1&list=PLOETEcp3DkCoNnlhE-7fovYvqwVPrRiY7"
+    class="button button-large button-banner"  md-button) Watch ng-conf