Completed changed the way locations are handled, closing #3
Added back 'order' field to AttributeListing + started preparing strings for PY3
We are now able to have agents not related to a User
Putting the location field on every template that needs it
Adding the API Key auth to the API as referenced in the issue #8
Added API key auth as the default authentication method
Handling the API key correctly
Listing the API keys
Migrated some views to Class Based views.  Closing #10