Redispatch the INIT event when we get it.

git-svn-id: svn+ssh://src.earth.threerings.net/nenya/trunk@384 ed5b42cb-e716-0410-a449-f6a68f950b19

src/as/com/threerings/flash/MediaContainer.as

@@ -67,6 +67,14 @@ import com.threerings.util.Util;
  */
 [Event(name="mediaSizeKnown", type="com.threerings.util.ValueEvent")]
 
+/**
+ * Dispatched when we've initialized our content. This is merely a redispatch
+ * of the INIT event we get from the loader.
+ *
+ * @eventType flash.events.Event.INIT
+ */
+[Event(name="init", type="flash.events.Event")]
+
 /**
  * A wrapper class for all media that will be placed on the screen.
  * Subject to change.
@@ -534,6 +542,9 @@ public class MediaContainer extends Sprite
     protected function handleInit (event :Event) :void
     {
         _initialized = true;
+
+        // redispatch
+        dispatchEvent(event);
     }
 
     /**