Re-added the ability to restrict a product sale by time

src/pretix/base/migrations/0005_auto_20151206_1652.py

@@ -0,0 +1,24 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('pretixbase', '0004_auto_20151024_0848'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='item',
+            name='available_from',
+            field=models.DateTimeField(null=True, help_text='This product will not be sold before the given date.', blank=True, verbose_name='Available from'),
+        ),
+        migrations.AddField(
+            model_name='item',
+            name='available_until',
+            field=models.DateTimeField(null=True, help_text='This product will not be sold after the given date.', blank=True, verbose_name='Available to'),
+        ),
+    ]