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/dependency-injection/Loader/Configurator/Traits/ClassTrait.php

@@ -0,0 +1,32 @@
+<?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\DependencyInjection\Loader\Configurator\Traits;
+
+/**
+ * @method $this class(string $class)
+ */
+trait ClassTrait
+{
+    /**
+     * Sets the service class.
+     *
+     * @param string $class The service class
+     *
+     * @return $this
+     */
+    final protected function setClass($class)
+    {
+        $this->definition->setClass($class);
+
+        return $this;
+    }
+}