* Temp for watchOS AnimatedImage support, using massive private API, still contains small issues
* Update the hack for wacthKit experienment, fix the retain cycle issue that cause WKInterfaceImage not dealloc
* Solve the merge conflict and try again
* Add support for contentMode
* Fix the SDAnimatedImageInterface first appear shows empty issues
* Fix the scale factor support for SDAniamtedImageInterface
* Fix the compile issue on other platforms
* Stop animtiong when dismantle for watchOS AnimatedImage
* Fix the issue that stopAnimating does not stop :)
* Fix the warning because of Apple's bug
* Use macro to integrate the watchOS Animation solution
* Refactory code to fix that calling sd_setImage(with:) multiple times issues
* Support to custom loop count on watchOS AnimatedImage
* Fix the CocoaPods issues which does not have umbrella headers
* Update some of the documentations
* Try to solve the SwiftPM issue because it does not support mixed Objective-C and Swift code, really suck, Apple :)
* Fix travis CI script to only build Carthage. Swift cli build can not works on Objective-C code import syntax, but works on Xcode