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/ConfiguratorTrait.php

@@ -0,0 +1,29 @@
+<?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;
+
+trait ConfiguratorTrait
+{
+    /**
+     * Sets a configurator to call after the service is fully initialized.
+     *
+     * @param string|array $configurator A PHP callable reference
+     *
+     * @return $this
+     */
+    final public function configurator($configurator)
+    {
+        $this->definition->setConfigurator(static::processValue($configurator, true));
+
+        return $this;
+    }
+}