fix: sort milestone by due_date missing migration

tracker/migrations/0002_auto_20140902_0412.py

@@ -0,0 +1,18 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import models, migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('tracker', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name='milestone',
+            options={'ordering': ['due_date']},
+        ),
+    ]