These now inherit from a top-level package.mk
Options like use of the network can be enabled on a per package basis
This removes a lot of duplicate code and make the maintenace of these
Makefiles much easier
Signed-off-by: Dave Tucker <dt@docker.com>
Also convert it to a multi-stage build and make
the HUB org/registry build time configurable.
Signed-off-by: Rolf Neugebauer <rolf.neugebauer@docker.com>
