 
     func scrollViewDidScroll(scrollView : UIScrollView) {
         self.streamScrollDelegate?.scrollViewDidScroll(scrollView)
-        
+
         let shouldHideTabBar : ()->Bool = { return false }
         if !shouldHideTabBar() {
             return


    @IBOutlet weak var collectionView: UICollectionView!
    var pulsingCircle : PulsingCircle?
    var scrolling = false
    var streamables:[Streamable]?
    var dataSource:StreamDataSource!
    var navBarShowing = true
    var postbarController:PostbarController?

    var streamKind:StreamKind = StreamKind.Friend {

            }
        }
    }

}

// MARK: StreamViewController : UICollectionViewDelegate
