Use the vendored logging package.

Signed-off-by: Ash Wilson <ash.wilson@rackspace.com>
Stub the Upgrade method for now.

Signed-off-by: Ash Wilson <ash.wilson@rackspace.com>
Adapt to the change in GetSSHCommand's signature.

Signed-off-by: Ash Wilson <ash.wilson@rackspace.com>
Activate identity auth for CoreOS.

This actually doesn't work, because CoreOS mounts the /usr/bin filesystem
readonly.

Signed-off-by: Ash Wilson <ash.wilson@rackspace.com>
Ubuntu uses the identity-auth binary.

Signed-off-by: Ash Wilson <ash.wilson@rackspace.com>
Update port in systemd init script.

Signed-off-by: Ash Wilson <ash.wilson@rackspace.com>
Fedora now works with --auth=identity.

Signed-off-by: Ash Wilson <ash.wilson@rackspace.com>
Default to Ubuntu while CoreOS doesn't work.

Signed-off-by: Ash Wilson <ash.wilson@rackspace.com>