Resolve "Possibility to modify contact attempt comments"

Closes #132 (closed)

smash/web/migrations/0048_auto_20170911_1504.py

+# -*- coding: utf-8 -*-
+# Generated by Django 1.10.7 on 2017-09-11 13:04
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('web', '0047_subject_flying_team_from_annotation'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='subject',
+            name='flying_team',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, to='web.FlyingTeam', verbose_name=b'Default flying team location (if applicable)'),
+        ),
+    ]