Add permission for editing feedback

internewshid/data_layer/migrations/0018_auto_20190530_2152.py

+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.15 on 2019-05-30 15:52
+from __future__ import unicode_literals
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('data_layer', '0017_auto_20190523_2245'),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name='message',
+            options={'permissions': (('can_change_message_body', 'Can change feedback'),)},
+        ),
+    ]

internewshid/data_layer/models.py

@@ -27,6 +27,11 @@ class DataLayerModel(models.Model):
 
 
 class Message(DataLayerModel):
+    class Meta:
+        permissions = (
+            ('can_change_message_body', "Can change feedback"),
+        )
+
     # FIXME(lukem): We're thinking that this can be named 'source' or
     # `original` or something like that since it more closely resembles our
     # current thinking and since we're adding the new `translation` field,