* 'master' of https://github.com/rs/SDWebImage:
Bumped version to 4.3.0
update CHANGELOG
Update the readme
Update the readme and issue template
Use a lock to ensure headers mutable dictionary thread-safe
Do not hard-code cache policy. Use SDWebImageDownloaderUseNSURLCache to check
Use the correct way to specify cancel if the response status code is invalid.
Ensure all the session delegate completionHandler called. Fix the leak when response error code below iOS 10
Fix the issue that prefetcher will cause stack overflow is the input urls list is huge because of recursion function call
Update the comments for image transition
Expose the associate FLAnimatedImage to user for advanced usage. Update the comments
* 'master' of https://github.com/rs/SDWebImage:
Revert that SDImageCacheQueryMemoryOnly because it's misunderstanding. Use `imageFromMemoryCacheForKey` instead
* 'master' of https://github.com/rs/SDWebImage:
Update the comments and a little enhancement for FLAnimatedImageView Category
Use a dispatch semaphore to keep thread safe for downloader because it need the hold cancel and add procedure be thread-safe
Add the current image/alternateImage url for NSButton category. A little code refactoring
Update macOS demo to add a clear cache button using NSButton category
Fix that reset alternateImage cancel the image load operation for NSButton+WebCache
Add WebCache category for NSButton on macOS
A little enhancement to avoid block capture the heap object
Use a internal method to avoid thread-safe issue for file manager. Remove that checkIOQueue and add sync version exist API
Add the image transition argument for all UIView+WebCache, make this easy for user to do some fade transition. It also reuse the current setImageBlock and make it easy to customize
# Conflicts:
# SDWebImage.xcodeproj/project.pbxproj
# SDWebImage/SDImageCache.h
# SDWebImage/SDImageCache.m
# SDWebImage/UIView+WebCache.h
# SDWebImage/UIView+WebCache.m
# WebImage/SDWebImage.h
* 'master' of https://github.com/rs/SDWebImage:
Add protect to some Core Graphics methods
Change all UIImage init method to alloc instead of autorelease to immediately release it after usage
Add a option SDWebImageFromCacheOnly to load the image from cache only and prevent network
Update the test for custom operation interface
Use synchronized instead of semaphore in SDWebImageDownloader to make it more easy to understand :)
Use a lock instead of barrier queue to avoid dispatch_sync blocking the main queue on race condition
DreamPiggy