Update dependencies for Cake 0.19.0
Update dependencies for Cake 0.19.0

xamarin/XamarinComponents,xamarin/XamarinComponents,bholmes/XamarinComponents,xamarin/XamarinComponents,bholmes/XamarinComponents,bholmes/XamarinComponents,xamarin/XamarinComponents,bholmes/XamarinComponents,xamarin/XamarinComponents,xamarin/XamarinComponents,bholmes/XamarinComponents,bholmes/XamarinComponents