adding repository for user entity + simplify service config

The configuration of repositories is now in a new file for a better readability.

DependencyInjection/ChillMainExtension.php

@@ -35,6 +35,7 @@ class ChillMainExtension extends Extension implements PrependExtensionInterface
         $loader = new Loader\YamlFileLoader($container, new FileLocator(__DIR__.'/../Resources/config'));
         $loader->load('services.yml');
         $loader->load('services/logger.yml');
+        $loader->load('services/repositories.yml');
     }
 
     public function prepend(ContainerBuilder $container) 

Resources/config/services.yml

@@ -188,11 +188,6 @@ services:
         tags:
             - { name: form.type }
             
-    chill.main.countries_repository:
-        class: Doctrine\ORM\EntityRepository
-        factory: ["@doctrine.orm.entity_manager", getRepository]
-        arguments:
-            - "Chill\\MainBundle\\Entity\\Country"
             
     chill.main.export.csv_formatter:
         class: Chill\MainBundle\Export\Formatter\CSVFormatter