Add option to not collect IP addresses (closes #18)

shynet/analytics/migrations/0003_auto_20200502_1227.py

@@ -0,0 +1,18 @@
+# Generated by Django 3.0.5 on 2020-05-02 16:27
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('analytics', '0002_auto_20200415_1742'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='session',
+            name='ip',
+            field=models.GenericIPAddressField(db_index=True, null=True),
+        ),
+    ]