What's New?

• Resolved compilation errors in the Caliburn.Micro.Start package due to the breaking changes in 2.0.0.
• PropertyChangedBase supports DataContract serialization on appropriate platforms.
• Windows Phone 8.1 now exposes an INavigationService.BackPressed to better let apps handle and potentially cancel hardware back button events.
• Added a convention for Windows Phone 8.1 Pivot.
• Resolved a bug where OnViewReady argument was null.
• ActionMessage is more resilient to null values.
• Resolved BindingScope.FindNamedDescendants crashed on DependencyObjects
• Added View.IsInDesignMode.

Thanks to all who contributed fixes, logged bugs etc.