Make all orders "guest orders"

src/pretix/base/migrations/0019_auto_20151004_1233.py

@@ -0,0 +1,32 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('pretixbase', '0018_eventlock_token'),
+    ]
+
+    operations = [
+        migrations.RenameField(
+            model_name='order',
+            old_name='guest_email',
+            new_name='email',
+        ),
+        migrations.RenameField(
+            model_name='order',
+            old_name='guest_locale',
+            new_name='locale',
+        ),
+        migrations.RemoveField(
+            model_name='cartposition',
+            name='user',
+        ),
+        migrations.RemoveField(
+            model_name='order',
+            name='user',
+        ),
+    ]