add migrations v2

django_sshkey/migrations/0002_auto_20150508_1541.py

+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import models, migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('django_sshkey', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='userkey',
+            name='last_used',
+            field=models.DateTimeField(null=True),
+        ),
+        migrations.AlterField(
+            model_name='userkey',
+            name='last_modified',
+            field=models.DateTimeField(null=True),
+        ),
+    ]