Some dependencies in a PR from an older branch broke the master build. The
change adds the missing dependencies and updates some others.
Signed-off-by: Stephen J Day <stephen.day@docker.com>
As we get closer to release, we need to ensure that builds are repeatable.
Godep provides a workable solution to managing dependencies in Go to support
this requirement. This commit should be bolstered by updates to documentation
and build configuration.
Signed-off-by: Stephen J Day <stephen.day@docker.com>