Added some copyright and encoding strings.

- Legacy-Id: 15910

ietf/group/migrations/0006_group_features_lists_to_jsonfield.py

@@ -1,3 +1,4 @@
+# Copyright The IETF Trust 2019, All Rights Reserved
 # -*- coding: utf-8 -*-
 # Generated by Django 1.11.16 on 2019-01-16 05:53
 from __future__ import unicode_literals

ietf/group/migrations/0007_new_group_features_data.py

@@ -195,6 +195,8 @@ def forward(apps, schema_editor):
         for k,v in features.items():
             setattr(gf, k, v)
         gf.save()
+# This migration does not remove or change any previous fields, and executes
+# swirftly, so we permit it to be interleaved with schema migrations
 forward.interleavable = True
 
 def reverse(apps, schema_editor):

ietf/group/migrations/0008_group_features_onetoone.py

@@ -1,3 +1,4 @@
+# Copyright The IETF Trust 2019, All Rights Reserved
 # -*- coding: utf-8 -*-
 # Generated by Django 1.11.16 on 2019-01-19 10:08
 from __future__ import unicode_literals

ietf/group/models.py

@@ -1,4 +1,5 @@
-# Copyright The IETF Trust 2007, All Rights Reserved
+# Copyright The IETF Trust 2007-2019, All Rights Reserved
+# -*- coding: utf-8 -*-
 
 import datetime
 import email.utils