Added CocoaPods podspec.
Added CocoaPods podspec.

bitomule/KFSwiftImageLoader,andaluz/KFSwiftImageLoader,MrLoong/KFSwiftImageLoader,andaluz/KFSwiftImageLoader,msdgwzhy6/KFSwiftImageLoader,msdgwzhy6/KFSwiftImageLoader,MrLoong/KFSwiftImageLoader,bitomule/KFSwiftImageLoader,MrLoong/KFSwiftImageLoader,msdgwzhy6/KFSwiftImageLoader,Fight/KFSwiftImageLoader,kiavashfaisali/KFSwiftImageLoader,Fight/KFSwiftImageLoader,kiavashfaisali/KFSwiftImageLoader