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/Tests/Fixtures/validresource.php

@@ -0,0 +1,18 @@
+<?php
+
+/** @var $loader \Symfony\Component\Routing\Loader\PhpFileLoader */
+/** @var \Symfony\Component\Routing\RouteCollection $collection */
+$collection = $loader->import('validpattern.php');
+$collection->addDefaults([
+    'foo' => 123,
+]);
+$collection->addRequirements([
+    'foo' => '\d+',
+]);
+$collection->addOptions([
+    'foo' => 'bar',
+]);
+$collection->setCondition('context.getMethod() == "POST"');
+$collection->addPrefix('/prefix');
+
+return $collection;