Merge pull request #117 from martinb3/master

attributes/cloud_monitoring.rb blows up if cloud monitoring toggle is turned off
Skip IPtables and Locale if we're in a Docker container
Rubocop fixes
Exclude Gemfile from Rubocop
Remove CentOS 6.4 from testing
Merge pull request #119 from rackspace-cookbooks/docker

Skip IPtables and Locale if we're in a Docker container
bump version
Merge pull request #121 from rackspace-cookbooks/docker

bump version
Moved newrelic recipe out of the ruby block (it was breaking cascaded include_recipe)
Merge pull request #122 from jujugrrr/newrelic-include-fix

Moved newrelic recipe out of the ruby block
bumping version