Added test bg pics and upcoming sessions css classing

index.html

@@ -6,14 +6,15 @@ layout: default
 
   <div class="wrapper container-fluid">
 
-    <h1 class="page-heading">Events</h1>
-
     {% for post in paginator.posts %}
 
-      <div class="row event">
+      {% if post.upcoming %}
+        <div class="row event upcoming">
+      {% else %}
+        <div class="row event">
+      {% endif %}
 
         <a href={{post.url}}><h3>{{post.title}}</h3></a>
-        <!-- <p>{{post.date}}</p> -->
 
         {% for talk in post.talks %}