Improved resource management for RegisteredWaitHandle
* Improve efficiency of waiting for a load balancer to leave a state

* Progress callbacks should always listen for LoadBalancer polling
* CreateAccessList doesn't return the created NetworkItem(s)
Implement support for nodes, virtual addresses, and SSL configuration
Include necessary extensions from ParallelExtensionsExtras directly in the project since the ParallelExtensionsExtras package doesn't support .NET 3.5
Implement majority of remaining Load Balancer support
Update queueing service to use the new service catalog entries
Add stub documentation entry for description of new asynchronous services
Updated documentation for DNS service