[many] Allow backup to operate on implicit order (c.f. #433)

beat/web/algorithms/migrations/0003_auto_20160701_1707.py

+# -*- coding: utf-8 -*-
+# Generated by Django 1.9.4 on 2016-07-01 17:07
+from __future__ import unicode_literals
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('algorithms', '0002_auto_20160630_1644'),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name='algorithm',
+            options={'ordering': ['version', 'id']},
+        ),
+    ]