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
+