UINavigationBarExtensionAn easy way to change backgroundColor and alpha of UINavigationBar...License: MITSwiftZInAppPurchaseTODO: Add long description of the pod here.License: MITSwiftZInfiniteScrollingViewLicense: MITZPhotoPickerLicense: MITZPlaceholderTextViewTODO: Add long description of the pod here.License: MITSwiftZPopTipViewTODO: Add long description of the pod here.License: MITSwiftZUICollectionViewHeaderHoveringFlowLayoutLicense: MIT