Graphite: Make graphite role follow common pattern
Graphite: Make graphite role follow common pattern

Make the graphite role follow common pattern. This include:

  * Use of `manage_packages` variable
  * Use of `manage_services` variable
  * Register firewalld_port

centos-opstools/opstools-ansible,jbadiapa/opstools-ansible-1,centos-opstools/opstools-ansible