Convert string references to ::class

PHP 5.5.9 adds the new static `class` property which provides the fully qualified class name. This is preferred over using strings for class names since the `class` property references are checked by PHP.

app/SupportedApps.php

@@ -134,7 +134,7 @@ abstract class SupportedApps
      */
     public function getLiveStats($status, $data)
     {
-        $className = get_class($this);
+        $className = $this::class;
         $explode = explode('\\', $className);
         $name = end($explode);