Add newly generated migrations from Dev Heroku. (see #692)

These are ones that Prod Heroku will also need.
They were generated by running makemigrations
--dry-run --verbosity 3 against Dev Heroku,
which outputs the entire migration files, which
were then copied to new local files and committed.

gobotany/core/migrations/0005_auto_20180519_1746.py

@@ -0,0 +1,25 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.9 on 2018-05-19 21:46
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('core', '0004_auto_20180509_0721'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='character',
+            name='unit',
+            field=models.CharField(blank=True, choices=[('m', 'Meters'), ('cm', 'Centimeters'), ('mm', 'Millimeters')], max_length=2, null=True),
+        ),
+        migrations.AlterField(
+            model_name='character',
+            name='value_type',
+            field=models.CharField(choices=[('RATIO', 'Ratio'), ('TEXT', 'Textual'), ('LENGTH', 'Length')], max_length=10),
+        ),
+    ]

gobotany/plantshare/migrations/0005_auto_20180519_1746.py

@@ -0,0 +1,23 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.9 on 2018-05-19 21:46
+from __future__ import unicode_literals
+
+from django.db import migrations
+import gobotany.plantshare.models
+import imagekit.models.fields
+import storages.backends.s3boto
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('plantshare', '0004_auto_20180509_0721'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='screenedimage',
+            name='image',
+            field=imagekit.models.fields.ProcessedImageField(storage=storages.backends.s3boto.S3BotoStorage(bucket=b'newfs', location=b'/upload_images'), upload_to=gobotany.plantshare.models.rename_image_by_type),
+        ),
+    ]