The added packages are necessary to create a base Alpine
container image and for converting more packages.
Update the versions file to the latest versions
Also make the HUB org/registry build time configurable.
Signed-off-by: Rolf Neugebauer <rolf.neugebauer@docker.com>
This means that we limit to one place where we use network access
in building, and in future all other package builds can be deterministic.
Signed-off-by: Justin Cormack <justin.cormack@docker.com>
