Create get_dns_nameservers function
Create get_dns_nameservers function

Put code in a function since it gets called in two places.
dennypage/pfsense,phil-davis/pfsense,NewEraCracker/pfsense,pfsense/pfsense,dennypage/pfsense,NewEraCracker/pfsense,phil-davis/pfsense,NewEraCracker/pfsense,phil-davis/pfsense,pfsense/pfsense,pfsense/pfsense,NewEraCracker/pfsense,pfsense/pfsense,phil-davis/pfsense,dennypage/pfsense,dennypage/pfsense