add GeometryField and features api endpoint

src/c3nav/mapdata/migrations/0004_auto_20160920_1356.py

@@ -0,0 +1,31 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.10.1 on 2016-09-20 13:56
+from __future__ import unicode_literals
+
+import c3nav.mapdata.fields
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('mapdata', '0003_package_commit_id'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='feature',
+            name='type',
+        ),
+        migrations.AddField(
+            model_name='feature',
+            name='feature_type',
+            field=models.CharField(choices=[('building', 'Building'), ('room', 'Room'), ('outside', 'Outside Area'), ('obstacle', 'Obstacle')], default=None, max_length=50),
+            preserve_default=False,
+        ),
+        migrations.AlterField(
+            model_name='feature',
+            name='geometry',
+            field=c3nav.mapdata.fields.GeometryField(),
+        ),
+    ]