COOK-2180 Add a new way to manage plugins
COOK-2210 New recipe to handle user and rights

- create a new recipe to use attributes to configure users
- fix the restart of rabbit-server at each run if using lwrp
- factorize treatment of lwrp for depending on vhost parameter
[COOK-2210] - need anchor for regexp
Merge branch 'COOK-2210'
update test-kitchen dep
COOK-2256 Prettify config file