Implement support for alternate ports with Sunshine

Fixes #529

Limelight/Network/ServerInfoResponse.h

@@ -11,6 +11,7 @@
 
 #define TAG_HOSTNAME @"hostname"
 #define TAG_EXTERNAL_IP @"ExternalIP"
+#define TAG_HTTPS_PORT @"HttpsPort"
 #define TAG_LOCAL_IP @"LocalIP"
 #define TAG_UNIQUE_ID @"uniqueid"
 #define TAG_MAC_ADDRESS @"mac"
@@ -18,6 +19,9 @@
 #define TAG_STATE @"state"
 #define TAG_CURRENT_GAME @"currentgame"
 
+// Sunshine extension
+#define TAG_EXTERNAL_PORT @"ExternalPort"
+
 @interface ServerInfoResponse : HttpResponse <Response>
 
 - (void) populateWithData:(NSData *)data;