overhaul ntp_spec - abandon hiera testing and use :params instead - remove redundant os tests - add ensurability testing - add pos/neg max_offset tests
overhaul ntp_spec
- abandon hiera testing and use :params instead
- remove redundant os tests
- add ensurability testing
- add pos/neg max_offset tests

helge000/managedmac,dayglojesus/managedmac,boonchu/managedmac