Resolves #279. Do not show vlans as parent interfaces for other vlans.
Resolves #279. Do not show vlans as parent interfaces for other vlans.

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