New Nagios style NTP check

[dtaylor]

I’ve been working on a check for NTP using chrony, the code can be found here

davetayl/Nagios-Plugins

[majormoses]

Hey looks like you got a great start on building this out. There are existing ruby plugins you may want to look at for further inspiration/enhancements if ruby is not your language of choice:

• https://github.com/sensu-plugins/sensu-plugins-ntp/tree/master/bin
• https://github.com/sensu-plugins/sensu-plugins-chrony/tree/master/bin