Update podspec for Swift 2 / iOS 9 / OS X 10.11
Update podspec for Swift 2 / iOS 9 / OS X 10.11

charlespsdowd/Reachability.swift,perwyl/Reachability.swift,ashleymills/Reachability.swift,sleekuser/Reachability.swift,uny/Reachability.swift,pardel/Reachability.swift,charlespsdowd/Reachability.swift,uny/Reachability.swift,perwyl/Reachability.swift,sleekuser/Reachability.swift,pardel/Reachability.swift,ashleymills/Reachability.swift