Add missing migrations

production/migrations/0007_auto_20170610_1202.py

+# -*- coding: utf-8 -*-
+# Generated by Django 1.10.3 on 2017-06-10 10:02
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('production', '0006_productionstream_closed'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='productionevent',
+            name='noted_on',
+            field=models.DateTimeField(auto_now_add=True),
+        ),
+        migrations.AlterField(
+            model_name='productionstream',
+            name='opened',
+            field=models.DateTimeField(auto_now_add=True),
+        ),
+    ]