Fix docker::service: Pass the $docker::dns setting to the /etc/default/docker.erb template.
Fix docker::service: Fix the /etc/conf.d/docker.erb template to use the $dns setting.
Fix docker::service: Fix the /etc/sysconfig/docker.erb template to use the $dns setting.
Fix docker::service: Add unit tests for the $dns parameter.
Add a $dns_search parameter to docker::run.
Improve docker::service: Clean up the config templates.
Add a $dns_search parameter to the docker module.
Merge branch 'master' of github.com:cr7pt0gr4ph7/garethr-docker into cr7pt0gr4ph7-master

Conflicts:
	templates/etc/init/docker-run.conf.erb