title: How do i implement CHTCollectionViewWaterfallLayout?
body: <p>I am using Parse <strong>PFQueryTableViewController</strong>, it shows images in a list, i want to use <strong>CHTCollectionViewWaterfallLayout</strong> to show the images in a grid way like instagram, how do i implement this? i did the cocoapod but the demo code is way different. </p>