Install and configure (Ubuntu) in glance

[Seiichiro Yamagata]

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:
 It seems the installation guile lacks the following description..

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MariaDB [(none)]> CREATE DATABASE glance;

MariaDB [(none)]> GRANT ALL PRIVILEGES ON glance.* TO 'glance'@'localhost' \
IDENTIFIED BY 'GLANCE_DBPASS';
MariaDB [(none)]> GRANT ALL PRIVILEGES ON glance.* TO 'glance'@'%' \
IDENTIFIED BY 'GLANCE_DBPASS';
=====================================

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

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 - IRC: 'openstack' channel on Freenode

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Release: 15.0.1.dev1 on 'Mon Aug 7 01:28:54 2017, commit 9091d26'
SHA: 9091d262afb120fd077bae003d52463f833a4fde
Source: https://git.openstack.org/cgit/openstack/glance/tree/doc/source/install/install-ubuntu.rst
URL: https://docs.openstack.org/glance/pike/install/install-ubuntu.html