Added Azure driver to hosts

Added Azure driver to hosts
Added GetIP command and fixed GetStatus command

- Added GetIP command
- fixed GetStatus command
Added azure-sdk dep & Fixed bug with missing VM

Added azure-sdk dependency to hack\vendor.sh
Fixed bug with missing VM in drivers\azure
Changed Azure SDK dependency

Changed Azure SDK dependency. Now it points to v1.0 release
Azure gofmt.
Update Azure driver to use utils random ID.
Fix azure imports.
Merge branch 'host-management' of https://github.com/bfirsh/docker into host-management
Merge pull request #1 from MSOpenTech/host-management

Host management Azure driver