Adding support for rabbitmq-env.conf
Adding an entry in defaults/main for rabbitmq-env.conf support.
Adding support for non-default nodes
Fixing whitespace.
Updated to integrate with vagrant cleaner

* Configured vagrant provision to execute as a role so defaults are properly
  loaded.
* Moved test vars to Vagrantfile explicit loading
* No longer need to ignore `vagrant_ansible_inventory_default` with a newer
  version of Vagrant.
* Updated Vagrant file to conform to Rubocop syntax.
Remove rabbitmq_env by detecting if rabbitmq_conf_env is defined or not
Update the README to match the last variable change
Correctly escaped the pluralization
Merge pull request #9 from retr0h/retr0h/cleanup-vagrant

Updated to integrate with vagrant cleaner
Small quote fix in the README.
Rabbit doesn't enable itself on boot

Updated handler to enable the service when installed.
Merge pull request #15 from retr0h/retr0h/enable-service

Enable the RabbitMQ service on boot by default
Fix server cert var name in README
Fix quoting and a typo in README
Merge pull request #16 from grschafer/master

README Fixes: server cert var, typo, and some quoting
Disable tcp listener if address is blank
Fix the test VM which was not listening anywhere

The test configuration was turning off the SSL listener, but since there
was no TCP address listener given in the test configuration RabbitMQ was
running without any listening address.
Merge branch 'pr_8'

Conflicts:
	vars/test.yml
Add a section about installation and versionning in the README
Fix README chapter importance