Add field for tracking project ownership

Issue #636
Signed-off-by: Michal Čihař <michal@cihar.com>

weblate/trans/migrations/0023_project_owner.py

+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import models, migrations
+from django.conf import settings
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+        ('trans', '0022_auto_20150309_0932'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='project',
+            name='owner',
+            field=models.ForeignKey(blank=True, to=settings.AUTH_USER_MODEL, help_text='Owner of the project.', null=True),
+            preserve_default=True,
+        ),
+    ]

weblate/trans/models/project.py

@@ -23,7 +23,7 @@ from django.utils.translation import ugettext as _, ugettext_lazy
 from django.core.exceptions import ValidationError, PermissionDenied
 from django.contrib import messages
 from django.core.urlresolvers import reverse
-from django.contrib.auth.models import Permission
+from django.contrib.auth.models import Permission, User
 from django.contrib.contenttypes.models import ContentType
 from django.contrib.auth.models import Group
 from django.core.cache import cache
@@ -129,6 +129,15 @@ class Project(models.Model, PercentMixin, URLMixin, PathMixin):
             'Whether to allow updating this repository by remote hooks.'
         )
     )
+    owner = models.ForeignKey(
+        User,
+        null=True,
+        db_index=True,
+        blank=True,
+        help_text=ugettext_lazy(
+            'Owner of the project.'
+        )
+    )
 
     objects = ProjectManager()