Windows base layers are no longer the special "layers+base" type, so we can remove all the special handling for that. Signed-off-by: Stefan J. Wernli <swernli@microsoft.com>
This is used to support downloading Windows base images from Microsoft servers. Signed-off-by: John Starks <jostarks@microsoft.com>
Signed-off-by: Aaron Lehmann <aaron.lehmann@docker.com>