implement adding websites

- implement websites.models.Website
- add migration
- implement websites.views.AddWebsite
- implement websites.forms.AddWebsiteForm
- define URL pattern 'add_website' in websites.urls
- register Website model in websites.admin
- add templates websites/base.html and websites/website_create.html
- add german translation for new strings
- add website URLs to gnuviechadmin.urls
- add websites to INSTALLED_APPS
- add changelog entry

gnuviechadmin/websites/migrations/0001_initial.py

@@ -0,0 +1,34 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import models, migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('osusers', '0004_auto_20150104_1751'),
+        ('domains', '0002_auto_20150124_1909'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Website',
+            fields=[
+                ('id', models.AutoField(verbose_name='ID', serialize=False, auto_created=True, primary_key=True)),
+                ('subdomain', models.CharField(max_length=64, verbose_name='sub domain')),
+                ('wildcard', models.BooleanField(default=False, verbose_name='wildcard')),
+                ('domain', models.ForeignKey(verbose_name='domain', to='domains.HostingDomain')),
+                ('osuser', models.ForeignKey(verbose_name='operating system user', to='osusers.User')),
+            ],
+            options={
+                'verbose_name': 'website',
+                'verbose_name_plural': 'websites',
+            },
+            bases=(models.Model,),
+        ),
+        migrations.AlterUniqueTogether(
+            name='website',
+            unique_together=set([('domain', 'subdomain')]),
+        ),
+    ]