Add missing migrations.

mayan/apps/document_indexing/migrations/0009_auto_20150815_0351.py

@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import models, migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('document_indexing', '0008_auto_20150729_1515'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='indextemplatenode',
+            name='expression',
+            field=models.CharField(help_text="Enter a template to render. Use Django's default templating language (https://docs.djangoproject.com/en/1.7/ref/templates/builtins/)", max_length=128, verbose_name='Indexing expression'),
+            preserve_default=True,
+        ),
+    ]