Add courseware migration.

lms/djangoapps/courseware/migrations/0013_auto_20191001_1858.py

+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.25 on 2019-10-01 18:58
+from __future__ import unicode_literals
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('courseware', '0012_adjust_fields'),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name='coursedynamicupgradedeadlineconfiguration',
+            options={},
+        ),
+        migrations.AlterModelOptions(
+            name='orgdynamicupgradedeadlineconfiguration',
+            options={},
+        ),
+    ]