Modify the AzureEventBus so that more than one subscriber per event can be supported in a durable fashion.
Remove the old EventPublisher class and tests that are no longer needed.
Refactor registration of events and their handlers to be done as part of dependency injection configuration.
Refactor the "EventManager" class to a "ServiceBusSubscriptionProcessor" class that implements IEventProcessor.
Merge pull request #1 from Votus/refactor-event-bus

Refactor event bus