Fixed bootstrap asset registration issue.

apps/bootstrap/config/assets.php

@@ -12,7 +12,7 @@ return array(
 		),
 		'depends' => array(
 			'yii',
-			'yii/bootstrap-responsive',
+			'yii/bootstrap/responsive',
 		),
 	),
 );

yii/YiiBase.php

@@ -614,6 +614,8 @@ class YiiBase
 }
 
 YiiBase::$aliases = array(
-	'@yii' => __DIR__,
+	'@yii' => array(
 		'@yii/bootstrap' => __DIR__ . '/bootstrap',
+		'@yii' => __DIR__,
+	),
 );