Refs #131 -- Basic implementation of invoicing

src/pretix/base/migrations/0013_invoice_locale.py

@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.9.2 on 2016-03-12 10:51
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('pretixbase', '0012_auto_20160312_1040'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='invoice',
+            name='locale',
+            field=models.CharField(default='en', max_length=50),
+        ),
+    ]