Tentative support for independent registries
Skip certificate check (don't error out on self-signed certs)
Ignore 'registry not found' when pushing on independent registries
Rolled back of previous commit (skip cert verification)
Remove https prefix from registry
Reenable writeflusher for pull
Several fixes and updates to make this work with latest changes in master
Allow push by ID when using a custom registry
go fmt pass
Fixed issue in registry.GetRemoteTags