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/twig-bundle/Tests/DependencyInjection/Fixtures/php/formats.php

@@ -0,0 +1,14 @@
+<?php
+
+$container->loadFromExtension('twig', [
+    'date' => [
+        'format' => 'Y-m-d',
+        'interval_format' => '%d',
+        'timezone' => 'Europe/Berlin',
+    ],
+    'number_format' => [
+        'decimals' => 2,
+        'decimal_point' => ',',
+        'thousands_separator' => '.',
+    ],
+]);