Lazy loading enabled

All pages with lots of images now have lazy loading enabled. The
"animation" was removed since it made for a bit of an odd experience one
the 2nd visit to a page. On pages with lots of images this has a nice
impact as it only loads the images that the user can see initially. As a
user scrolls it loads the next ones up. It saves a lot of extra requests
initially.

dashboard-ui/scripts/episodes.js

@@ -34,7 +34,8 @@
                 showTitle: true,
                 showParentTitle: true,
                 overlayText: true,
-                selectionPanel: true
+                selectionPanel: true,
+                lazy: true
             });
 
             $('.itemsContainer', page).removeClass('timelineItemsContainer');