Update to Swift 4.2

Author: Devin Roth

Examples/iOS/OSCTest/OSCTest.xcodeproj/project.pbxproj

@@ -124,6 +124,7 @@
 				TargetAttributes = {
 					031ABE6B1FB64DC7005184D4 = {
 						CreatedOnToolsVersion = 9.1;
+						LastSwiftMigration = 1010;
 						ProvisioningStyle = Automatic;
 					};
 				};
@@ -313,7 +314,7 @@
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = com.swiftosc.OSCTest;
 				PRODUCT_NAME = "$(TARGET_NAME)";
-				SWIFT_VERSION = 4.0;
+				SWIFT_VERSION = 4.2;
 				TARGETED_DEVICE_FAMILY = "1,2";
 			};
 			name = Debug;
@@ -329,7 +330,7 @@
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = com.swiftosc.OSCTest;
 				PRODUCT_NAME = "$(TARGET_NAME)";
-				SWIFT_VERSION = 4.0;
+				SWIFT_VERSION = 4.2;
 				TARGETED_DEVICE_FAMILY = "1,2";
 			};
 			name = Release;

Examples/iOS/OSCTest/OSCTest/AppDelegate.swift

@@ -14,7 +14,7 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
     var window: UIWindow?
 
 
-    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {
+    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
         // Override point for customization after application launch.
         return true
     }