Try making sure service is created before notifying it

Attempt to address error:

    Chef::Exceptions::ResourceNotFound: resource template[/opt/graphite/conf/storage-schemas.conf] is configured to notify resource runit_service[carbon-cache] with action restart, but runit_service[carbon-cache] cannot be found in the resource collection. template[/opt/graphite/conf/storage-schemas.conf] is defined in /home/ubuntu/chef/cookbooks/graphite/recipes/carbon_cache.rb:28:in `from_file'