Make sure the authorization headers are always accurately calculated.
Fixed additional headers in HTTP body
Merge branch 'master' of github.com:quri/AFAmazonS3Client into quri-master
Refactoring requestWithMethod: to automatically set authorization headers
Replacing will/didChangeValueForKey with keyPathsForValuesAffecting
Merge branch 'master' of github.com:AFNetworking/AFAmazonS3Client
Removed unnecessary private method declaration
Removing unnecessary @synthesize statements
Implementing keyPathsForValuesAffectingBaseURL
Adding useSSL property
Merge branch 'master' of github.com:AFNetworking/AFAmazonS3Client