No more update, please use new pod ‘EBBannerView’, more powerfull and more features, provide iOS 9/10/11 style, and show any custom view easily. 不再更新，请使用新库 EBBannerView，经过重写包含更多强大功能，提供 iOS9/10/11 样式，更可自定义。 https://github.com/pikacode/EBBannerView
