Implement support for alternate ports with Sunshine

Fixes #529

Limelight/Network/DiscoveryManager.m

@@ -120,7 +120,7 @@
 }
 
 - (ServerInfoResponse*) getServerInfoResponseForAddress:(NSString*)address {
-    HttpManager* hMan = [[HttpManager alloc] initWithHost:address uniqueId:_uniqueId serverCert:nil];
+    HttpManager* hMan = [[HttpManager alloc] initWithAddress:address httpsPort:0 serverCert:nil];
     ServerInfoResponse* serverInfoResponse = [[ServerInfoResponse alloc] init];
     [hMan executeRequestSynchronously:[HttpRequest requestForResponse:serverInfoResponse withUrlRequest:[hMan newServerInfoRequest:false] fallbackError:401 fallbackRequest:[hMan newHttpServerInfoRequest]]];
     return serverInfoResponse;