Set backref labels

Fixes #6

ccdb/projects/migrations/0006_set_labels.py

@@ -0,0 +1,19 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('projects', '0005_DATA_initial'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='grantreport',
+            name='grant',
+            field=models.ForeignKey(to='projects.Grant', related_name='reports'),
+        ),
+    ]