Implement document trash can and soft delete support. First half or gh-issue 188.

mayan/apps/documents/migrations/0009_document_in_trash.py

@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import models, migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('documents', '0008_auto_20150624_0520'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='document',
+            name='in_trash',
+            field=models.BooleanField(default=False, verbose_name='In trash?', editable=False),
+            preserve_default=True,
+        ),
+    ]