Signed-off-by: Derek McGowan <derek@mcgstyle.net> (github: dmcgowan)
Refactory authorizer to take a set of authentication handlers for different authentication schemes returned by an unauthorized HTTP requst. Signed-off-by: Derek McGowan <derek@mcgstyle.net> (github: dmcgowan)
Layer upload moved to its own file with its own unit tests Signed-off-by: Derek McGowan <derek@mcgstyle.net> (github: dmcgowan)
