Fix migrations

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

weblate/trans/migrations/0026_auto_20150401_1029.py

+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import models, migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('trans', '0025_subproject_post_update_script'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='subproject',
+            name='post_update_script',
+            field=models.CharField(default=b'', choices=[(b'', b'')], max_length=200, blank=True, help_text='Script to be executed after receiving a repository update, please check documentation for more details.', verbose_name='Post-update script'),
+            preserve_default=True,
+        ),
+    ]

weblate/trans/migrations/0026_perm_save_template.py → weblate/trans/migrations/0027_auto_20150401_1030.py

 # -*- coding: utf-8 -*-
 from __future__ import unicode_literals
 
-from django.db import migrations
+from django.db import models, migrations
 
 
 class Migration(migrations.Migration):
 
     dependencies = [
-        ('trans', '0024_subproject_edit_template'),
+        ('trans', '0026_auto_20150401_1029'),
     ]
 
     operations = [
         migrations.AlterModelOptions(
             name='unit',
-            options={'ordering': ['priority', 'position'], 'permissions': (('save_translation', 'Can save translation'), ('save_template', 'Can save template'),)},
+            options={'ordering': ['priority', 'position'], 'permissions': (('save_translation', 'Can save translation'), ('save_template', 'Can save template'))},
         ),
     ]