Chuan Miao

I think it makes sense to extend the option strings to a option class, with various customisation possibilities and styles. An option could be non-selectable, or purely text between option...

use the primary colors defined in this library

with `LEFT OUTER JOIN`, the query works better, ``` MariaDB [manila]> SELECT coalesce(share_instances.share_type_id, 'N/A') AS share_type_id, coalesce(availability_zones.name, 'N/A') AS availability_zone_name, share_instances.host AS manila_host, shares.project_id, shares.id, share_instances.id AS share_instance_id, share_instances.status, COUNT(*)...