More retooling of get_interface_list(): 	* We can return the list keyed with either physical or friendly names. 	* Trim shell calls to 3 for both "active" and "media" types.
More retooling of get_interface_list():
	* We can return the list keyed with either physical or friendly names.
	* Trim shell calls to 3 for both "active" and "media" types.

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