Squash dashboard migrations

The intermediate string migration lead to problems giving in most cases
invalid default dashboard view for existing users.

See issue #989
Signed-off-by: Michal Čihař <michal@cihar.com>

weblate/accounts/migrations/0014_auto_20160302_1025.py

+# -*- coding: utf-8 -*-
+# Generated by Django 1.9.1 on 2016-03-02 10:25
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('trans', '0058_componentlist'),
+        ('accounts', '0013_auto_20151222_1006'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='profile',
+            name='dashboard_component_list',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, to='trans.ComponentList', verbose_name='Default component list'),
+        ),
+        migrations.AddField(
+            model_name='profile',
+            name='dashboard_view',
+            field=models.IntegerField(choices=[(1, 'Your subscriptions'), (2, 'Your languages'), (3, 'All projects'), (4, 'Component list')], default=1, verbose_name='Default dashboard view'),
+        ),
+        migrations.AlterField(
+            model_name='profile',
+            name='language',
+            field=models.CharField(choices=[('az', 'Az\u0259rbaycan'), ('be', '\u0411\u0435\u043b\u0430\u0440\u0443\u0441\u043a\u0430\u044f'), ('be@latin', 'Bie\u0142aruskaja'), ('br', 'Brezhoneg'), ('ca', 'Catal\xe0'), ('cs', '\u010ce\u0161tina'), ('da', 'Dansk'), ('de', 'Deutsch'), ('en', 'English'), ('el', '\u0395\u03bb\u03bb\u03b7\u03bd\u03b9\u03ba\u03ac'), ('es', 'Espa\xf1ol'), ('fi', 'Suomi'), ('fr', 'Fran\xe7ais'), ('fy', 'Frysk'), ('gl', 'Galego'), ('he', '\u05e2\u05d1\u05e8\u05d9\u05ea'), ('hu', 'Magyar'), ('id', 'Indonesia'), ('it', 'Italiano'), ('ja', '\u65e5\u672c\u8a9e'), ('ko', '\ud55c\uad6d\uc5b4'), ('ksh', 'K\xf6lsch'), ('nl', 'Nederlands'), ('pl', 'Polski'), ('pt', 'Portugu\xeas'), ('pt-br', 'Portugu\xeas brasileiro'), ('ru', '\u0420\u0443\u0441\u0441\u043a\u0438\u0439'), ('sk', 'Sloven\u010dina'), ('sl', 'Sloven\u0161\u010dina'), ('sr', '\u0421\u0440\u043f\u0441\u043a\u0438'), ('sv', 'Svenska'), ('tr', 'T\xfcrk\xe7e'), ('uk', '\u0423\u043a\u0440\u0430\u0457\u043d\u0441\u044c\u043a\u0430'), ('zh-hans', '\u7b80\u4f53\u5b57'), ('zh-hant', '\u6b63\u9ad4\u5b57')], max_length=10, verbose_name='Interface Language'),
+        ),
+        migrations.AlterField(
+            model_name='profile',
+            name='secondary_languages',
+            field=models.ManyToManyField(blank=True, help_text='Choose languages you can understand, strings in those languages will be shown in addition to the source string.', related_name='secondary_profile_set', to='lang.Language', verbose_name='Secondary languages'),
+        ),
+    ]

weblate/accounts/migrations/0014_dashboard_settings.py

-# -*- coding: utf-8 -*-
-from __future__ import unicode_literals
-
-from django.db import migrations, models
-
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        ('trans', '0058_componentlist'),
-        ('accounts', '0013_auto_20151222_1006'),
-    ]
-
-    operations = [
-        migrations.AddField(
-            model_name='profile',
-            name='dashboard_component_list',
-            field=models.ForeignKey(verbose_name='Default component list', blank=True, to='trans.ComponentList', null=True),
-        ),
-        migrations.AddField(
-            model_name='profile',
-            name='dashboard_view',
-            field=models.CharField(default='your-subscriptions', max_length=100, verbose_name='Default dashboard view', choices=[('your-subscriptions', 'Your subscriptions'), ('your-languages', 'Your languages'), ('projects', 'All projects'), ('list', 'Component list')]),
-        ),
-        migrations.AlterField(
-            model_name='profile',
-            name='language',
-            field=models.CharField(max_length=10, verbose_name='Interface Language', choices=[(b'az', 'Az\u0259rbaycan'), (b'be', '\u0411\u0435\u043b\u0430\u0440\u0443\u0441\u043a\u0430\u044f'), (b'be@latin', 'Bie\u0142aruskaja'), (b'br', 'Brezhoneg'), (b'ca', 'Catal\xe0'), (b'cs', '\u010ce\u0161tina'), (b'da', 'Dansk'), (b'de', 'Deutsch'), (b'en', 'English'), (b'el', '\u0395\u03bb\u03bb\u03b7\u03bd\u03b9\u03ba\u03ac'), (b'es', 'Espa\xf1ol'), (b'fi', 'Suomi'), (b'fr', 'Fran\xe7ais'), (b'fy', 'Frysk'), (b'gl', 'Galego'), (b'he', '\u05e2\u05d1\u05e8\u05d9\u05ea'), (b'hu', 'Magyar'), (b'id', b'Indonesia'), (b'ja', '\u65e5\u672c\u8a9e'), (b'ko', '\ud55c\uad6d\uc5b4'), (b'ksh', 'K\xf6lsch'), (b'nl', 'Nederlands'), (b'pl', 'Polski'), (b'pt', 'Portugu\xeas'), (b'pt-br', 'Portugu\xeas brasileiro'), (b'ru', '\u0420\u0443\u0441\u0441\u043a\u0438\u0439'), (b'sk', 'Sloven\u010dina'), (b'sl', 'Sloven\u0161\u010dina'), (b'sr', '\u0421\u0440\u043f\u0441\u043a\u0438'), (b'sv', 'Svenska'), (b'tr', 'T\xfcrk\xe7e'), (b'uk', '\u0423\u043a\u0440\u0430\u0457\u043d\u0441\u044c\u043a\u0430'), (b'zh-hans', '\u7b80\u4f53\u5b57'), (b'zh-hant', '\u6b63\u9ad4\u5b57')]),
-        ),
-    ]

weblate/accounts/migrations/0015_auto_20160219_1604.py

-# -*- coding: utf-8 -*-
-from __future__ import unicode_literals
-
-from django.db import migrations, models
-
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        ('accounts', '0014_dashboard_settings'),
-    ]
-
-    operations = [
-        migrations.AlterField(
-            model_name='profile',
-            name='dashboard_view',
-            field=models.IntegerField(default=1, verbose_name='Default dashboard view', choices=[(1, 'Your subscriptions'), (2, 'Your languages'), (3, 'All projects'), (4, 'Component list')]),
-        ),
-        migrations.AlterField(
-            model_name='profile',
-            name='secondary_languages',
-            field=models.ManyToManyField(help_text='Choose languages you can understand, strings in those languages will be shown in addition to the source string.', related_name='secondary_profile_set', verbose_name='Secondary languages', to='lang.Language', blank=True),
-        ),
-    ]