* new command for trove-manage
* automatically identify deprecated subcommands
* move client definitions into a YAML resource file
* support of the complete subcommand
* add new clients: barbican, designate, manila, magnetodb,
manila, mistral, tuskar
Clients to be added in the future:
* congress (module for python-openstackclient)
* magnum (no released version)
* murano (missing --version parameter)
* zaqar (module for python-openstackclient)
Change-Id: I5ccb5af887749ec22a9d980e3b031de6a247041e