from COOK-2300 - should be able to define a nagios_service into the all ...

defining a service check fails when the hostgroup is set to "all" and the node is in a different environment than the monitoring server - and the multi_environment_monitoring is set. issues stems back to COOK-2300

> should be able to define a nagios_service into the all host group

BUT ALSO not have it ignored when multi_environment_monitoring is set :)