Improve deletion and add ordering on roles

election/migrations/0003_auto_20171202_1819.py

@@ -0,0 +1,24 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('election', '0002_election_archived'),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name='role',
+            options={'ordering': ('order',)},
+        ),
+        migrations.AddField(
+            model_name='role',
+            name='order',
+            field=models.PositiveIntegerField(editable=False, default=0, db_index=True),
+            preserve_default=False,
+        ),
+    ]