Merge pull request #1 from crowbar/release/pebbles/master

Release/pebbles/master
refactor installing RabbitMQ server
fix
typo
Merge pull request #14 from MirantisDellCrowbar/bug/DCB-162/pebbles/master

https://github.com/crowbar/barclamp-rabbitmq/pull/14

Merged by devtool for cloudsleuth