added the missing migration

cas_server/migrations/0012_auto_20170328_1610.py

+# -*- coding: utf-8 -*-
+# Generated by Django 1.10.5 on 2017-03-28 14:10
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('cas_server', '0011_auto_20161007_1258'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='federatediendityprovider',
+            name='cas_protocol_version',
+            field=models.CharField(choices=[('1', 'CAS 1.0'), ('2', 'CAS 2.0'), ('3', 'CAS 3.0'), ('CAS_2_SAML_1_0', 'SAML 1.1')], default='3', help_text='Version of the CAS protocol to use when sending requests the the backend CAS.', max_length=30, verbose_name='CAS protocol version'),
+        ),
+        migrations.AlterField(
+            model_name='servicepattern',
+            name='single_log_out_callback',
+            field=models.CharField(blank=True, default='', help_text='URL where the SLO request will be POST. empty = service url\nThis is usefull for non HTTP proxied services.', max_length=255, verbose_name='single log out callback'),
+        ),
+        migrations.AlterField(
+            model_name='servicepattern',
+            name='user_field',
+            field=models.CharField(blank=True, default='', help_text='Name of the attribute to transmit as username, empty = login', max_length=255, verbose_name='user field'),
+        ),
+    ]