Support Composer and Symfony App paths. Issue #86

Also specify symfony version (2 o 3).

Mage/Task/BuiltIn/Composer/ComposerAbstractTask.php

@@ -0,0 +1,26 @@
+<?php
+/*
+ * This file is part of the Magallanes package.
+*
+* (c) Andrés Montañez <andres@andresmontanez.com>
+*
+* For the full copyright and license information, please view the LICENSE
+* file that was distributed with this source code.
+*/
+
+namespace Mage\Task\BuiltIn\Composer;
+
+use Mage\Task\AbstractTask;
+
+/**
+ * Abstract Task for Composer
+ *
+ * @author Andrés Montañez <andres@andresmontanez.com>
+ */
+abstract class ComposerAbstractTask extends AbstractTask
+{
+    protected function getComposerPath()
+    {
+        return $this->getConfig()->general('composer_path', 'php composer.phar');
+    }
+}