add missing migration (#117)

src/wagtailtrans/migrations/0007_auto_20180327_1127.py

@@ -0,0 +1,29 @@
+# Generated by Django 2.0.3 on 2018-03-27 09:27
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('wagtailtrans', '0006_auto_20161212_2020'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='language',
+            name='is_default',
+            field=models.BooleanField(default=False, help_text='Visitors with no language preference will see the site in this language'),
+        ),
+        migrations.AlterField(
+            model_name='language',
+            name='position',
+            field=models.IntegerField(default=0, help_text='Language choices and translations will be displayed in this order'),
+        ),
+        migrations.AlterField(
+            model_name='sitelanguages',
+            name='default_language',
+            field=models.ForeignKey(null=True, on_delete=django.db.models.deletion.PROTECT, related_name='site_default_language', to='wagtailtrans.Language'),
+        ),
+    ]