adding argumement hidden to Article

in order to avoid some articles to appear in the menu

kfet/migrations/0048_article_hidden.py

@@ -0,0 +1,19 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('kfet', '0047_auto_20170104_1528'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='article',
+            name='hidden',
+            field=models.BooleanField(help_text='Si oui, ne sera pas affiché au public ; par exemple sur la carte.', default=False),
+        ),
+    ]