Comment work with annotator v2

- add missing annotator.js file and fix typo
- edit & delete routes, started tests
- basic tests

src/Wallabag/CommentBundle/DependencyInjection/WallabagCommentExtension.php

@@ -0,0 +1,23 @@
+<?php
+
+namespace Wallabag\CommentBundle\DependencyInjection;
+
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\Config\FileLocator;
+use Symfony\Component\HttpKernel\DependencyInjection\Extension;
+use Symfony\Component\DependencyInjection\Loader;
+
+class WallabagCommentExtension extends Extension
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function load(array $configs, ContainerBuilder $container)
+    {
+        $configuration = new Configuration();
+        $config = $this->processConfiguration($configuration, $configs);
+
+        $loader = new Loader\YamlFileLoader($container, new FileLocator(__DIR__.'/../Resources/config'));
+        $loader->load('services.yml');
+    }
+}