Make venue/date editable on EC

For multi venue, multi day events

Defaults to date and venue set on the event. Also made power MIC default to that set in RA

RIGS/migrations/0043_auto_20201010_1320.py

@@ -0,0 +1,27 @@
+# Generated by Django 3.1.2 on 2020-10-10 12:20
+
+from django.db import migrations, models
+import django.db.models.deletion
+import django.utils.timezone
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('RIGS', '0042_riskassessment_supervisor_consulted'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='eventchecklist',
+            name='date',
+            field=models.DateField(default=django.utils.timezone.now),
+            preserve_default=False,
+        ),
+        migrations.AddField(
+            model_name='eventchecklist',
+            name='venue',
+            field=models.ForeignKey(default=1, on_delete=django.db.models.deletion.CASCADE, to='RIGS.venue'),
+            preserve_default=False,
+        ),
+    ]