Redth/PushSharp — pull request #289 by codepm (2013-11-20 17:16:48+00:00)
Title: Fixed duplicate service events

When using WindowsPhonePushBrokerExtensions.RegisterWindowsPhoneService extension method
I ran into an issue where the service was firing 6 events (such as
OnNotificationSent) instead of 1.

It was due to duplicate event handler registration. This code resolves that...