Add basic django-meta support to entries too

entries/migrations/0003_remove_entry_summary.py

@@ -0,0 +1,19 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.6 on 2017-10-25 03:03
+from __future__ import unicode_literals
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('entries', '0002_syndication'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='entry',
+            name='summary',
+        ),
+    ]