This document describes changes and steps to upgrade from kamaki 0.11 to
kamaki 0.12

1. Method post_user_catalogs in kamaki.clients.astakos is going to be
deprecated at version 0.13. It must be replaced with individual calls to
uuids2usernames and/or usernames2uuids. bw compatibility is kept for version
0.12

2. Update the kamaki configuration with these commands:
  $ kamaki config delete project_cli
  $ kamaki config delete astakos_cli
  $ kamaki config delete user_cli

3. /user commands have changed:
    /user info --> /user session info
    /user whoami --> /user session info
    /user pick --> /user session select
    /user add --> /user session authenticate