Rename some fields

- Oops didn't think that through, gotta go through and fix the data now...

InvenTree/part/migrations/0007_auto_20190602_1944.py

@@ -0,0 +1,42 @@
+# Generated by Django 2.2 on 2019-06-02 09:44
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('part', '0006_auto_20190526_1215'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='part',
+            name='buildable',
+        ),
+        migrations.RemoveField(
+            model_name='part',
+            name='consumable',
+        ),
+        migrations.AddField(
+            model_name='part',
+            name='assembly',
+            field=models.BooleanField(default=False, help_text='Can this part be built from other parts?', verbose_name='Assembly'),
+        ),
+        migrations.AddField(
+            model_name='part',
+            name='component',
+            field=models.BooleanField(default=True, help_text='Can this part be used to build other parts?', verbose_name='Component'),
+        ),
+        migrations.AlterField(
+            model_name='bomitem',
+            name='part',
+            field=models.ForeignKey(help_text='Select parent part', limit_choices_to={'active': True, 'assembly': True}, on_delete=django.db.models.deletion.CASCADE, related_name='bom_items', to='part.Part'),
+        ),
+        migrations.AlterField(
+            model_name='bomitem',
+            name='sub_part',
+            field=models.ForeignKey(help_text='Select part to be used in BOM', limit_choices_to={'active': True, 'component': True}, on_delete=django.db.models.deletion.CASCADE, related_name='used_in', to='part.Part'),
+        ),
+    ]