N°2435.1 Portal: Split portal composer.json in 2

- Autoloader for portal files in the itop-portal-base module
- Dependencies moved to root composer.json
- Add autoloader for /core and /application content

lib/symfony/dotenv/Exception/PathException.php

@@ -0,0 +1,25 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Dotenv\Exception;
+
+/**
+ * Thrown when a file does not exist or is not readable.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+final class PathException extends \RuntimeException implements ExceptionInterface
+{
+    public function __construct($path, $code = 0, \Exception $previous = null)
+    {
+        parent::__construct(sprintf('Unable to read the "%s" environment file.', $path), $code, $previous);
+    }
+}