After moving libnetwork to this repo, we need to update all the import
paths for libnetwork to point to docker/docker/libnetwork instead of
docker/libnetwork.
This change implements that.
Signed-off-by: Brian Goff <cpuguy83@gmail.com>
Since docker/docker removed mflag package and libnetwork relies on it
create a copy of mflag package in libnetwork project.
Signed-off-by: Jana Radhakrishnan <mrjana@docker.com>