Update Proxy Check links/headers (#2385)
Update Proxy Check links/headers (#2385)

* Update links/headers

* iOS 11.2

* close connection instead of keep-alive

djfye/PokemonGo-Map,tomballgithub/RocketMap,RocketMap/RocketMap,tomballgithub/RocketMap,djfye/RocketMap,sebastienvercammen/RocketMap,neskk/PokemonGo-Map,Alderon86/RocketMap,neskk/PokemonGo-Map,sebastienvercammen/RocketMap,RocketMap/RocketMap,djfye/PokemonGo-Map,RocketMap/RocketMap,djfye/RocketMap,JapuDCret/RocketMap-Do,JapuDCret/RocketMap-Do,tomballgithub/RocketMap,Alderon86/RocketMap,Alderon86/RocketMap,JapuDCret/RocketMap-Do,birdstream/RocketMap,birdstream/RocketMap,sebastienvercammen/RocketMap,neskk/RocketMap,neskk/RocketMap,neskk/PokemonGo-Map,JapuDCret/RocketMap-Do,djfye/RocketMap,birdstream/RocketMap,neskk/RocketMap,RocketMap/RocketMap,neskk/PokemonGo-Map,djfye/PokemonGo-Map,tomballgithub/RocketMap,birdstream/RocketMap,djfye/PokemonGo-Map,neskk/RocketMap,Alderon86/RocketMap,djfye/RocketMap,sebastienvercammen/RocketMap