Fix a the return from setting a rabbitmq users tag, this was failing
religiously due to the lack of tabs in the output.

Fix the documentation for the perms attribute (was permissions).

Fix the perms handling, as it is a list of dicts that is called in.
Merge pull request #8128 from asachs/develop

Fix setting rabbitmq users tags and permissions
Properly determine conf_dir

lstrip() strips each char independently. Not the whole string as a whole