changes @ deploy command. added rollback exception functionality.

Mage/Task/RollbackException.php

@@ -0,0 +1,23 @@
+<?php
+/*
+ * This file is part of the Magallanes package.
+*
+* (c) Alex V Kotelnikov <gudron@gudron.me>
+*
+* For the full copyright and license information, please view the LICENSE
+* file that was distributed with this source code.
+*/
+
+namespace Mage\Task;
+
+use Exception;
+
+/**
+ * Exception that indicates that the Task was Failed and rollback needed
+ *
+ * @author Alex V Kotelnikov <gudron@gudron.me>
+ */
+class RollbackException extends Exception
+{
+
+}