public async void RefreshPage (RefreshDealsPageMessage message)
		{
			await Application.Current.SavePropertiesAsync ();
			Deals = NotifyTaskCompletion.Create<ObservableCollection<Deal>> (GetDeals ());
		}
        public async void RefreshPage(RefreshDealsPageMessage message)
        {
            await Application.Current.SavePropertiesAsync();

            Deals = NotifyTaskCompletion.Create <ObservableCollection <Deal> > (GetDeals());
        }