BrowsePictureViewControllerbrowsePicture的视图控制器许可证：MITObjective CCGCircularCollectionView圆形集合许可证：MITObjective CCGRefresh集合视图的左右刷新许可证：MITObjective CChooseView选择视图的容器视图许可证：MITObjective CCircleNavigation圆形导航视图许可证：MITObjective CFadeStackView带有淡入淡出动画切换视图的容器许可证：MITObjective CStackViewComponent类似于堆叠的组件许可证：MITObjective C
