Add copy of Discourse-Auth app,

Probably should split into separate repo at some point, but committing here so I don't lose it

DiscourseAuth/migrations/0005_auto_20170128_1707.py

@@ -0,0 +1,19 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import models, migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('DiscourseAuth', '0004_discourseuserlink'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='discourseuserlink',
+            name='discourse_user_id',
+            field=models.IntegerField(unique=True),
+        ),
+    ]