Order date adjustment

Sales order now has a "shipment date"

InvenTree/order/migrations/0029_auto_20200423_1042.py

@@ -0,0 +1,30 @@
+# Generated by Django 3.0.5 on 2020-04-23 10:42
+
+from django.conf import settings
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+        ('order', '0028_auto_20200423_0956'),
+    ]
+
+    operations = [
+        migrations.RenameField(
+            model_name='salesorder',
+            old_name='complete_date',
+            new_name='shipment_date',
+        ),
+        migrations.RemoveField(
+            model_name='salesorder',
+            name='issue_date',
+        ),
+        migrations.AddField(
+            model_name='salesorder',
+            name='shipped_by',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='+', to=settings.AUTH_USER_MODEL),
+        ),
+    ]