* Add "consistency group show" command
* Add "consistency group delete" command
* Updated from global requirements
* Correct reraising of exception
* clean up image choices and help text
* Add "--type" and "--retype-policy" options to "volume set" command
* Add "Is Public" column in volume type list
* Remove outdated comments in volume unit test
* Sort list images by name by default
* SDK Refactor: Prepare security group rule commands
* SDK Refactor: Prepare network rbac commands
* SDK Refactor: Prepare network qos policy commands
* SDK Refactor: Prepare subnet commands
* Add commands for "consistency group snapshot"
* Using v2 as the default version of Glance
* Add "consistency group create" command
* Refactor "snapshot" commands
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