Fix weather geoip lookups
Fix weather geoip lookups

- _external_ip() isn't necessary with freegeoip.net as it does this for you when unspecified.
- region_name/country_name make Yahoo's weather API unhappy whereas region_code/country_code work for me (TX/US)
lukw00/powerline,russellb/powerline,wfscheper/powerline,xfumihiro/powerline,darac/powerline,QuLogic/powerline,IvanAli/powerline,seanfisk/powerline,junix/powerline,prvnkumar/powerline,blindFS/powerline,EricSB/powerline,firebitsbr/powerline,firebitsbr/powerline,QuLogic/powerline,bezhermoso/powerline,cyrixhero/powerline,lukw00/powerline,S0lll0s/powerline,kenrachynski/powerline,darac/powerline,keelerm84/powerline,wfscheper/powerline,Liangjianghao/powerline,S0lll0s/powerline,prvnkumar/powerline,Liangjianghao/powerline,kenrachynski/powerline,areteix/powerline,xfumihiro/powerline,S0lll0s/powerline,EricSB/powerline,DoctorJellyface/powerline,Liangjianghao/powerline,xxxhycl2010/powerline,dragon788/powerline,russellb/powerline,xxxhycl2010/powerline,xfumihiro/powerline,magus424/powerline,bezhermoso/powerline,russellb/powerline,firebitsbr/powerline,dragon788/powerline,s0undt3ch/powerline,junix/powerline,bartvm/powerline,areteix/powerline,s0undt3ch/powerline,kenrachynski/powerline,DoctorJellyface/powerline,xxxhycl2010/powerline,EricSB/powerline,blindFS/powerline,magus424/powerline,bartvm/powerline,seanfisk/powerline,keelerm84/powerline,seanfisk/powerline,blindFS/powerline,prvnkumar/powerline,lukw00/powerline,IvanAli/powerline,Luffin/powerline,bartvm/powerline,s0undt3ch/powerline,dragon788/powerline,Luffin/powerline,areteix/powerline,magus424/powerline,IvanAli/powerline,QuLogic/powerline,darac/powerline,cyrixhero/powerline,cyrixhero/powerline,junix/powerline,wfscheper/powerline,Luffin/powerline,bezhermoso/powerline,DoctorJellyface/powerline