update tags on python SDK
Docker upgrade api docs
Merge pull request #9 from pchico83/docker_upgrade

Docker upgrade api docs
update service update
update tutum tag set
update docker-upgrade
TutumAgentToken API
Removed LIST and DELETE api
Merge pull request #10 from pchico83/tokens_api

TutumAgentToken API
Volume api doc
Added review comments
Merge pull request #11 from pchico83/volumes_api

Volume api doc