Add ntp::params, a place to centralize all configuration information.
Refactor out the main ntp class to break it up into 4 smaller ones.
Add ntp::service, a class to manage the ntp service.
Rename all the servers_real functions to servers.
Rework specs to pass with renamed params.
Ensure that users can pass in templates from outside of the ntp module.
Some syntax fixes as well as deprecate autoupdate.
Fix specs now things are renamed.