Allow more fields in the case study to be blank

apps/map/migrations/0037_auto_20180327_0549.py

@@ -0,0 +1,30 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.6 on 2018-03-27 05:49
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('map', '0036_auto_20180327_0334'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='casestudy',
+            name='direct_comms',
+            field=models.TextField(blank=True, default=None, help_text='Add any reports of direct communication between community members and                     representatives of developers/companies/investors.', max_length=500, null=True, verbose_name='Reports of direct communications'),
+        ),
+        migrations.AlterField(
+            model_name='casestudy',
+            name='projected_production_of_commodities',
+            field=models.CharField(blank=True, default=None, help_text="Describe the projected production of commodities per annum and overall (e.g. '40 million tonnes of            iron ore per year, 200 million tonnes over 5 year life of mine'", max_length=256, null=True, verbose_name='Projected production of key commodities'),
+        ),
+        migrations.AlterField(
+            model_name='casestudy',
+            name='size_of_concessions',
+            field=models.CharField(blank=True, default=None, help_text="Describe the size of concession(s) granted to company/companies (e.g. 'one concession encompassing                    2,300 hectares')", max_length=200, null=True, verbose_name='Size of concessions'),
+        ),
+    ]