Fix race condition in UIImageView+AFNetworking
[Issue #751] Removing NSURLConnectionDataDelegate from AFURLConnectionOperation's declared protocols
Suppressing warning caused by AFHTTPBodyPart -hasBytesAvailable not having default condition in switch statement
Merge branch 'master' of github.com:AFNetworking/AFNetworking
Merge pull request #747 from peymano/race-condition-fix-in-uiimageview

Fix race condition in UIImageView+AFNetworking