Mejora codigo smsgateway.

se añade llamado de parametro configuracion

src/BackendBundle/Controller/EnvioSmsController.php

@@ -219,5 +219,15 @@ class EnvioSmsController extends Controller {
 
         $notifica->save();
     }
+    
+    public function testAction(){
+       $response = new Response(
+        'Prueba',
+        Response::HTTP_OK,
+        ['content-type' => 'application/json']
+        );
+        
+        return $response; 
+    }
 
 }