Make devicemapper linux-only
Move reflink to os dependent file. OSX docker client fully functionnal.
Merge branch 'master' into docker-osx
Added HTTPAuthDecorator
Use basic auth for private registries when over HTTPS.
RequestFactory is no longer a singleton (can be different for different instances of Registry)
Registry now has an indexEndpoint member
Registry methods that needed the indexEndpoint parameter no longer do so
Registry methods will only use token auth where applicable if basic auth is not enabled.
gofmt
Factorized auth token setting
missed one call to setTokenAuth
Don't return req as result of setTokenAuth
Handle 401 response in auth.Login() for authed private registries
Merge pull request #2930 from creack/docker-osx

Docker client on OSX
Merge pull request #2339 from shin-/private_reg_auth

Private registry auth