Adjustments to admin.py for view, fix Role using charfield as primary key, adjusted openstack/managers.py to fill the charfield instead of the pk
diff --git a/planetstack/core/serializers.py b/planetstack/core/serializers.py
index 7c5dca9..bc4dd01 100644
--- a/planetstack/core/serializers.py
+++ b/planetstack/core/serializers.py
@@ -10,6 +10,7 @@
         model = Role
         fields = ('id', 
                   'role_id',
+                  'role',
                   'role_type')