We upgrade the rst convention by following Documentation Contributor
Guide[1].

[1] https://docs.openstack.org/doc-contrib-guide

Change-Id: Ieceb3942073512fb10670a48d258c4055909496e
Partially-Implements: blueprint optimize-the-documentation-format

replace openstack_version with openstack_release

Change-Id: Ib7cb3ae220971bbfdaf5e1e382333f6c62fd130a

Change-Id: I562fd5272088d387e5d66314e352ff1d38ea0413

Add the new murano_auth section to the Murano config
file so that Murano will deploy application packages.

Change-Id: I8ea7264759742e7af038b4cec346fc7ef7f7edcb

Change-Id: Ib440c05aa88fcacbe64aadc6e1f9fd38c47d2d57

Disable ServerSignature and Hide apache related infromation.

Change-Id: I9188ddb85988539087c922117bb9f53454b7507c

Change-Id: I836b0d6e915c32074d8062b5914277497ec4f444

Add become to only neccesary tasks in roles:

- blazar
- opendaylight
- redis
- tempest
- vitrage

Change-Id: Ib3a48c1c21a19a23e87d2e465fd7012e3eee7565
Partial-Implements: blueprint ansible-specific-task-become

Missing [murano_auth] with auth_uri ending in '/v3' leads to
keystone authentication failures - murano uses old v2 keystone.

Change-Id: I41846ac4fa78da90e02d91e8d1cec7405178f7df
Closes-Bug: #1753480

Add become to only neccesary tasks in roles:

- aodh
- barbican
- bifrost
- ceilometer
- ceph
- chrony
- cinder
- cloudkitty
- collectd
- congress
- designate
- elasticsearch
- etcd
- freezer
- gnocchi
- grafana
- influxdb
- ironic
- iscsi
- karbor
- kibana
- kuryr
- magnum
- manila
- mistral
- mongodb
- multipathd
- murano
- octavia
- panko
- qdrouterd
- rally
- sahara
- searchlight
- senlin
- skydive
- solum
- swift
- swift
- tacker
- telegraf
- tempest
- trove
- vmtp
- watcher
- zun

Change-Id: I6e32d94d4172dd96d09d8609e8a5221ab5586a31
Partial-Implements: blueprint ansible-specific-task-become

Change-Id: Ie6fd05b52592ad48fd7acbd6b7e9a6f48ffd1150

Skydive need to use internal endpoint
for join keystone like other service.

Change-Id: I6fd76a035ab316f21d483a28a25bfb94c9ed6b95
Closes-Bug: #1747401

Remove duplicated [oslo_policy] in magnum.conf.

Change-Id: I69c82e31d7041d7e8f9c31ba1bf54f0906f2a6dc
Closes-Bug: #1754593

Change-Id: Iad449b35c1e947a0187c5cbf8348d6e9e1b3d597
Closes-bug: #1751976