tree 4035da598cd5814ecf272a7c4312cd9ce0265310
parent 6455980e71abd2300f3ef15400593f479122de83
author Masayuki Igawa <masayuki.igawa@gmail.com> 1469417306 +0900
committer Masayuki Igawa <masayuki@igawa.me> 1491948892 +0000

Use cliff.lister for tempest workspace command

This commit makes tempest workspace command use cliff.lister to show
various formats. And this commit splits the original class -
TempestWorkspace into the subcommand classes to use the cliff.lister
class. With this splitting, we can get the subcommand helps as a side
effect.

Change-Id: I07c69c467743a2f132c99d992773a53bda3bec7b