[prep-release-3.1.0-a2] Add migration for 3.1.0-a2

phpBB/phpbb/db/migration/data/v310/alpha2.php

@@ -0,0 +1,28 @@
+<?php
+/**
+*
+* @package migration
+* @copyright (c) 2013 phpBB Group
+* @license http://opensource.org/licenses/gpl-2.0.php GNU Public License v2
+*
+*/
+
+namespace phpbb\db\migration\data\v310;
+
+class alpha2 extends \phpbb\db\migration\migration
+{
+	static public function depends_on()
+	{
+		return array(
+			'\phpbb\db\migration\data\v310\alpha1',
+			'\phpbb\db\migration\data\v310\notifications_cron_p2',
+		);
+	}
+
+	public function update_data()
+	{
+		return array(
+			array('config.update', array('version', '3.1.0-a2')),
+		);
+	}
+}