Merge pull request #1 from rohanpn/go-docker-registry-0.9.0

Updated tags API(Added Get Repo Tags Json and Updated Put Repo Tag
Merge pull request #2 from rohanpn/go-docker-registry-tags-update

Added Api for Delete Repo
Merge pull request #13 from budhrg/go-docker-registry-0.9.0

Go docker registry 0.9.0
Merge pull request #14 from budhrg/go-docker-registry-tags

Added API for Delete Repo needed for tags
Fixed debian postrm script