Add missing migrations.

Signed-off-by: Roberto Rosario <roberto.rosario.gonzalez@gmail.com>

mayan/apps/document_parsing/migrations/0002_auto_20170827_1617.py

@@ -0,0 +1,21 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.10.7 on 2017-08-27 16:17
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('document_parsing', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='documentversionparseerror',
+            name='document_version',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='parsing_errors', to='documents.DocumentVersion', verbose_name='Document version'),
+        ),
+    ]