API: changed date-format, camelCase instead of snake_case, null values, update and create for customer and project (#718)

src/API/ConfigurationController.php

@@ -17,8 +17,12 @@ use App\Entity\User;
 use FOS\RestBundle\Controller\Annotations as Rest;
 use FOS\RestBundle\View\View;
 use FOS\RestBundle\View\ViewHandlerInterface;
+use Sensio\Bundle\FrameworkExtraBundle\Configuration\Security;
 use Swagger\Annotations as SWG;
 
+/**
+ * @Security("is_granted('ROLE_USER')")
+ */
 class ConfigurationController extends BaseApiController
 {
     /**
@@ -41,7 +45,9 @@ class ConfigurationController extends BaseApiController
     }
 
     /**
-     *  @SWG\Response(
+     * Returns the user specific locale configuration
+     *
+     * @SWG\Response(
      *      response=200,
      *      description="Returns the locale specific configurations for this user",
      *      @SWG\Schema(ref="#/definitions/I18nConfig")