Autmated metadata configuration.

Signed-off-by: salmank <salmank@plumgrid.com>
auth_region different for RHOS and CentOS.

Signed-off-by: salmank <salmank@plumgrid.com>
Merge pull request #22 from plumgrid/salmankh-automaton-dev

Salmankh automaton dev