Add default gw box, check it by default if the interface is wan
Add default gw box, check it by default if the interface is wan

phil-davis/pfsense,ch1c4um/pfsense,ch1c4um/pfsense,NewEraCracker/pfsense,BlackstarGroup/pfsense,phil-davis/pfsense,phil-davis/pfsense,pfsense/pfsense,ptorsten/pfsense,brunostein/pfsense,phil-davis/pfsense,NOYB/pfsense,dennypage/pfsense,ch1c4um/pfsense,NOYB/pfsense,brunostein/pfsense,NOYB/pfsense,NewEraCracker/pfsense,ch1c4um/pfsense,pfsense/pfsense,BlackstarGroup/pfsense,dennypage/pfsense,jxmx/pfsense,jxmx/pfsense,pfsense/pfsense,dennypage/pfsense,pfsense/pfsense,jxmx/pfsense,NewEraCracker/pfsense,brunostein/pfsense,BlackstarGroup/pfsense,ptorsten/pfsense,dennypage/pfsense,NewEraCracker/pfsense,ptorsten/pfsense,BlackstarGroup/pfsense