Added migration for site test app depending on contrib.sites

tests/sites_framework/migrations/0001_initial.py

+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import models, migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('sites', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='CustomArticle',
+            fields=[
+                ('id', models.AutoField(verbose_name='ID', serialize=False, auto_created=True, primary_key=True)),
+                ('title', models.CharField(max_length=50)),
+                ('places_this_article_should_appear', models.ForeignKey(to='sites.Site')),
+            ],
+            options={
+                'abstract': False,
+            },
+            bases=(models.Model,),
+        ),
+        migrations.CreateModel(
+            name='ExclusiveArticle',
+            fields=[
+                ('id', models.AutoField(verbose_name='ID', serialize=False, auto_created=True, primary_key=True)),
+                ('title', models.CharField(max_length=50)),
+                ('site', models.ForeignKey(to='sites.Site')),
+            ],
+            options={
+                'abstract': False,
+            },
+            bases=(models.Model,),
+        ),
+        migrations.CreateModel(
+            name='SyndicatedArticle',
+            fields=[
+                ('id', models.AutoField(verbose_name='ID', serialize=False, auto_created=True, primary_key=True)),
+                ('title', models.CharField(max_length=50)),
+                ('sites', models.ManyToManyField(to='sites.Site')),
+            ],
+            options={
+                'abstract': False,
+            },
+            bases=(models.Model,),
+        ),
+    ]