public void OpenLocation(GitHubLocation location)
		{
			navigationService.Navigate(location);
		}
		private static Uri FormatUri(string path, GitHubLocation location)
		{
			var parameters = location.RelativeAddress.Split('/');
			return new Uri(string.Format(path, parameters), UriKind.RelativeOrAbsolute);
		}
		public static bool Navigate(this INavigationService navigationService, GitHubLocation location)
		{
			return navigationService.Navigate(To(location));
		}
		private static Uri To(GitHubLocation location)
		{
			var path = location.IsRepository ? RepositoryPivot : UserPivot;
			return FormatUri(path, location);
		}