core, counter: add preferences for counter notifications

Signed-off-by: Skia <skia@libskia.so>

subscription/migrations/0006_auto_20170902_1222.py

@@ -0,0 +1,19 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('subscription', '0005_auto_20170821_2054'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='subscription',
+            name='subscription_type',
+            field=models.CharField(verbose_name='subscription type', choices=[('amicale/doceo', 'Amicale/DOCEO member'), ('assidu', 'Assidu member'), ('crous', 'CROUS member'), ('cursus-alternant', 'Alternating cursus'), ('cursus-branche', 'Branch cursus'), ('cursus-tronc-commun', 'Common core cursus'), ('deux-mois-essai', 'Two month for free'), ('deux-semestres', 'Two semesters'), ('membre-honoraire', 'Honorary member'), ('reseau-ut', 'UT network member'), ('sbarro/esta', 'Sbarro/ESTA member'), ('un-semestre', 'One semester'), ('un-semestre-welcome', 'One semester Welcome Week')], max_length=255),
+        ),
+    ]