Add yearly plan

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

weblate/billing/migrations/0003_auto_20150917_1457.py

+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import models, migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('billing', '0002_auto_20150917_1445'),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name='plan',
+            options={'ordering': ['price']},
+        ),
+        migrations.AddField(
+            model_name='plan',
+            name='yearly_price',
+            field=models.IntegerField(default=0),
+            preserve_default=False,
+        ),
+    ]

weblate/billing/models.py

@@ -28,13 +28,14 @@ from weblate.trans.models import Project, SubProject
 class Plan(models.Model):
     name = models.CharField(max_length=100, unique=True)
     price = models.IntegerField()
+    yearly_price = models.IntegerField()
     limit_strings = models.IntegerField(default=0)
     limit_languages = models.IntegerField(default=0)
     limit_repositories = models.IntegerField(default=0)
     limit_projects = models.IntegerField(default=0)
 
     class Meta(object):
-        ordering = ['name']
+        ordering = ['price']
 
     def __unicode__(self):
         return self.name