Added a missing migration to repo.

evennia/typeclasses/migrations/0004_auto_20151101_1759.py

@@ -0,0 +1,19 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('typeclasses', '0003_defaultcharacter_defaultexit_defaultguest_defaultobject_defaultplayer_defaultroom_defaultscript_dono'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='attribute',
+            name='db_model',
+            field=models.CharField(max_length=32, blank=True, help_text=b"Which model of object this attribute is attached to (A natural key like 'objects.objectdb'). You should not change this value unless you know what you are doing.", null=True, verbose_name=b'model', db_index=True),
+        ),
+    ]