Packstack vnc console fix
Packstack vnc console fix

For the vnc console work, packstack uses FQDN of the server.
During the packstack deployment, servers names changed.
In order to make the vnc console work, servers names and fqdn need
to be configured within the /etc/hosts of all the servers.

Change-Id: Ic906e4f39797493a7329c3dfa48ab5a85d3816af

okolisny/InfraRed,okolisny/InfraRed,redhat-openstack/infrared,redhat-openstack/infrared,redhat-openstack/infrared,okolisny/InfraRed