Moved from Dart code to HTML.
Import changes.
Changed to use Controller.
Import changes and removed unused EventType.
WIP on migrating the notifications to observables for the model.
Reflecting rename.
Moved.
The queues now observe the call list, and the individual call (views)
observe their respective own calls.
Moving buttons to their right view.
Added "typesafe" callstate and refined some internal workings.
Import changes.
Fixes.
Uncommented unused event.
Changed the panel to use the event from model.call instead of
the global one.
The call list now listens for events arising from the notification
interface and propagates them to the respective call objects.
This enables us to listen for changes on a specific call object.
Reflecting rename.
Refactoring: Using the controller instead of spawning events.
View of a call object.