High Priority
=============

  - Implement profile operations (starting from os.senlin.stack)
  - Add http/json request module to make client tool work [Qiming]
  - Support action_create
  - Support action_delete
  - Support action_cancel
  - Support event_delete
  - Add support to HTTPS connection
    * This means a cert and key option using plain HTTP package, while
      it means using Transport when we switched to OpenStackSDK
  - Add checking of required identity arguments

Middle Priority
===============

  - Figure out how to set USER_AGENT

  - Use code from https://review.openstack.org/#/c/95679/ to replace
    _append_global_identity_args(parser)

  - Add unit tests

Low Priority
============