rs/SDWebImage — pull request #86 by tvon (2012-03-28 19:28:06+00:00)
Title: SDWebImageDownloader adds excessive observers when SDNetworkActivityIndicator is used

Every time SDWebImageDownloader+downloaderWithURL is called it adds two observers. This seems to result in an imbalance between SDWebImageDownloadStartNotification and SDWebImageDownloadStopNotification notifications so that the initial activity indicator is squashed when it should be shown.