Resolve "Scale and maybe crop uploaded pictures"

Closes #56 (closed)

biscuit/core/migrations/0015_person_photo_crop.py

+# Generated by Django 2.2.4 on 2019-08-29 12:12
+
+from django.db import migrations
+import image_cropping.fields
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('core', '0014_remove_unique'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='person',
+            name='photo_cropping',
+            field=image_cropping.fields.ImageRatioField('photo', '600x800', adapt_rotation=False, allow_fullsize=False, free_crop=False, help_text=None, hide_image_field=False, size_warning=True, verbose_name='photo cropping'),
+        ),
+        migrations.AlterField(
+            model_name='person',
+            name='photo',
+            field=image_cropping.fields.ImageCropField(blank=True, null=True, upload_to='', verbose_name='Photo'),
+        ),
+    ]