Adds a migration for projector changes

openslides/core/migrations/0021_auto_20190415_0942.py

@@ -0,0 +1,16 @@
+# Generated by Django 2.1.5 on 2019-04-15 07:42
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [("core", "0020_set_reference_projector")]
+
+    operations = [
+        migrations.AlterField(
+            model_name="projector",
+            name="name",
+            field=models.CharField(max_length=255, unique=True),
+        )
+    ]