Merge branch 'master' into development

* master:
  set targetted device family to 3
  use 7.3 image

Author: nuclearace

Socket.IO-Client-Swift.xcodeproj/project.pbxproj

@@ -1274,7 +1274,7 @@
 				SDKROOT = appletvos;
 				SKIP_INSTALL = YES;
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
-				TARGETED_DEVICE_FAMILY = "1,2";
+				TARGETED_DEVICE_FAMILY = 3;
 				TVOS_DEPLOYMENT_TARGET = 9.0;
 				VERSIONING_SYSTEM = "apple-generic";
 				VERSION_INFO_PREFIX = "";
@@ -1325,7 +1325,7 @@
 				PRODUCT_NAME = SocketIO;
 				SDKROOT = appletvos;
 				SKIP_INSTALL = YES;
-				TARGETED_DEVICE_FAMILY = "1,2";
+				TARGETED_DEVICE_FAMILY = 3;
 				TVOS_DEPLOYMENT_TARGET = 9.0;
 				VALIDATE_PRODUCT = YES;
 				VERSIONING_SYSTEM = "apple-generic";