Galera database cluster: incorrect URL — should be MariaDB.com, not MariaDB.org

[MariaDB Marketing]

This bug tracker is for errors with the documentation, use the following as a template and remove or add fields as you see fit. Convert [ ] into [x] to check boxes:

- [x] This doc is inaccurate in this way: The MariaDB URL provided on "Database (Galera Cluster) for high availability" is incorrect—it should be mariadb.com, not mariadb.org (URL for MariaDB Foundation).

- [ ] This is a doc addition request.
- [ ] I have a fix to the document that I can paste below including example: input and output.

If you have a troubleshooting or support issue, use the following resources:

 - Ask OpenStack: http://ask.openstack.org
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 - IRC: 'openstack' channel on Freenode

-----------------------------------
Release: 0.0.1 on 2017-02-08 19:01
SHA: 803c5885d7cdff6fa111e6c44e0c7b3b5ce1a850
Source: https://git.openstack.org/cgit/openstack/openstack-manuals/tree/doc/ha-guide/source/shared-database.rst
URL: http://docs.openstack.org/ha-guide/shared-database.html

[MariaDB Marketing (mariadbmarketing)]

Hi, thank you for your time—please update the URL for MariaDB on this article "Database (Galera Cluster) for high availability" to https://mariadb.com rather than https://mariadb.org. Best, MariaDB marketing