     // MARK: - Layout
     
     private func performLayout() {
-        
+
         performingLayout = true
         let photosCount = numberOfPhotos()
         

        senderViewForAnimation = view
        performPresentAnimation()
    }
    
    public convenience init(aURLs: [NSURL], animatedFromView view: UIView! = nil) {
        self.init()
        let aPhotos = SSPhoto.photosWithURLs(aURLs)

    }
    
    private func performCloseAnimationWithScrollView(scrollView: SSZoomingScrollView) {
        let fadeAlpha = 1 - fabs(scrollView.frame.origin.y)/scrollView.frame.size.height
        
        var imageFromView = scrollView.photo.underlyingImage()
