XForms/Xamarin-Forms-Labs — pull request #381 by MihaMarkic (2014-10-13 06:38:26+00:00)
Title: removed duplicate PropertyChanged event declaration in ViewModel

I don't know why there is PropertyChanged event declaration reintroduced in ViewModel as INotifyPropertyChanged is already implemented in ObservableObject. I think this is a (dangerous) leftover and thus I've removed it.