subscribes syntax fix for Chef < v10.14.0
Merge pull request #125 from eladroz/master

rabbitmq recipe - syntax fix for older Chef versions
[rabbitmq] perms can be a single string instead of multi-quoted
Merge pull request #126 from webframp/fix/rabbitmq-user-perm

[rabbitmq] perms can be a single string instead of multi-quoted