Simplify storage

Signed-off-by: Michal Čihař <michal@cihar.com>

files/migrations/0012_auto_20150622_1419.py

@@ -0,0 +1,27 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import models, migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('files', '0011_auto_20150622_1412'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='release',
+            name='featured',
+        ),
+        migrations.RemoveField(
+            model_name='release',
+            name='visible',
+        ),
+        migrations.AlterField(
+            model_name='release',
+            name='stable',
+            field=models.BooleanField(default=False, db_index=True),
+        ),
+    ]

files/models.py

@@ -21,9 +21,7 @@ class Release(models.Model):
     version = models.CharField(max_length=50, unique=True)
     version_num = models.IntegerField(default=0, unique=True)
     release_notes = models.TextField()
-    featured = models.BooleanField(default=False)
-    visible = models.BooleanField(default=False)
-    stable = models.BooleanField(default=False)
+    stable = models.BooleanField(default=False, db_index=True)
 
     class Meta(object):
         ordering = ['-version_num']