Merge pull request #313 from IvoPintodaSilva/swift-4.2

Update to swift 4.2

ReachabilitySample/AppDelegate.swift

@@ -14,7 +14,6 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
     var window: UIWindow?
 
     func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey : Any]? = nil) -> Bool {
-
         return true
     }
 }