* [terraform/openstack] Restores ability to use existing public nodes and masters as bastion.
* [terraform/openstack] Uses network_id as output
* [terraform/openstack] Fixes link to inventory/local/group_vars
* [terraform/openstack] Adds supplementary master groups
* [terraform/openstack] Updates documentation avoiding manual setups for bastion (as they are not needed now).
* [terraform/openstack] Supplementary master groups in docs.
* [terraform/openstack] Fixes repeated usage of master fips instead of bastion fips
* [terraform/openstack] Missing change for network_id to subnet_id
* [terraform/openstack] Changes conditional to element( concat ) form to avoid type issues with empty lists.
* Leave all.yml to keep only optional vars
* Store groups' specific vars by existing group names
* Fix optional vars casted as mandatory (add default())
* Fix missing defaults for an optional IP var
* Relink group_vars for terraform to reflect changes
Signed-off-by: Bogdan Dobrelya <bogdando@mail.ru>
