File list (Check if you may need any files):
CHTCollectionViewWaterfallLayout-develop
........................................\.gitignore
........................................\CHTCollectionViewWaterfallLayout.h
........................................\CHTCollectionViewWaterfallLayout.m
........................................\CHTCollectionViewWaterfallLayout.podspec
........................................\Demo
........................................\....\Demo.xcodeproj
........................................\....\..............\project.pbxproj
........................................\....\Demo
........................................\....\....\AppDelegate.h
........................................\....\....\AppDelegate.m
........................................\....\....\CHTCollectionViewWaterfallCell.h
........................................\....\....\CHTCollectionViewWaterfallCell.m
........................................\....\....\CHTCollectionViewWaterfallFooter.h
........................................\....\....\CHTCollectionViewWaterfallFooter.m
........................................\....\....\CHTCollectionViewWaterfallHeader.h
........................................\....\....\CHTCollectionViewWaterfallHeader.m
........................................\....\....\Default-568h@2x.png
........................................\....\....\Default.png
........................................\....\....\Default@2x.png
........................................\....\....\Demo-Info.plist
........................................\....\....\Demo-Prefix.pch
........................................\....\....\ViewController.h
........................................\....\....\ViewController.m
........................................\....\....\en.lproj
........................................\....\....\........\InfoPlist.strings
........................................\....\....\........\MainStoryboard_iPhone.storyboard
........................................\....\....\main.m
........................................\LICENSE
........................................\README.md
........................................\Screenshots
........................................\...........\2-columns.png
........................................\...........\3-columns.png