CC-84: Smart Playlists

- changed playlist controller to also handle Blocks
- created new view for smart blocks

airtime_mvc/application/views/scripts/playlist/update.phtml

@@ -1,5 +1,5 @@
 <?php
-$items = $this->pl->getContents();
+$items = $this->obj->getContents();
 if (count($items)) : ?>
 <?php $i = 0; ?>
 <?php foreach($items as $item) : ?>