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/routing/Loader/Configurator/ImportConfigurator.php

@@ -0,0 +1,49 @@
+<?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\Routing\Loader\Configurator;
+
+use Symfony\Component\Routing\RouteCollection;
+
+/**
+ * @author Nicolas Grekas <p@tchwork.com>
+ */
+class ImportConfigurator
+{
+    use Traits\RouteTrait;
+
+    private $parent;
+
+    public function __construct(RouteCollection $parent, RouteCollection $route)
+    {
+        $this->parent = $parent;
+        $this->route = $route;
+    }
+
+    public function __destruct()
+    {
+        $this->parent->addCollection($this->route);
+    }
+
+    /**
+     * Sets the prefix to add to the path of all child routes.
+     *
+     * @param string $prefix
+     *
+     * @return $this
+     */
+    final public function prefix($prefix)
+    {
+        $this->route->addPrefix($prefix);
+
+        return $this;
+    }
+}