Added extension method IModel.GetValidationContextForObjectGraph()
Added caching to PropertyHelper expression parsing
Removed IViewModelContainer.ViewModelPropertyChanged
(-) CTL-453 Remove CommandManager code from Command
(-) CTL-454 Removed the RemoveInstance methods from the IServiceLocator interface. Use IServiceLocator.RemoveType instead
DataWindow calls RaisecanExecuteChangedForAllCommands at startup
(*) CTL-455 Improved handling of parents in visual trees. Still need to clean up and create a generic one that works on all platforms.
(*) CTL-456 Allow DoubleClickToCommand timeout specific and default to 500ms