Merge branch 'update' into 'master'

update: migrations files for last djangoldp version

See merge request startinblox/djangoldp-packages/djangoldp-profile!13

djangoldp_profile/migrations/0005_profile_urlid.py

+# -*- coding: utf-8 -*-
+# Generated by Django 1.11 on 2019-09-17 11:16
+from __future__ import unicode_literals
+
+from django.db import migrations
+import djangoldp.fields
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('djangoldp_profile', '0004_auto_20190524_1349'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='profile',
+            name='urlid',
+            field=djangoldp.fields.LDPUrlField(blank=True, null=True, unique=True),
+        ),
+    ]