Add enter/entered for TileFeatureObject to allow better move triggering.
Turn off debug render for now.
Don't scale up over 4 times.
Strip / down even more.
Add a dialog component and web UI overlay.
 - Implement proper exiting/exited handlers for TileComponent.
 - Make Scene a Backbone.Model so that it can store arbitrary data and trigger events.
 - Add Dialog component that uses exited/entered methods to trigger events on the scene that bubble up to the UI.