moved UPnP instance to Transports. Use actual port from RouterContext

Transports.h

@@ -20,6 +20,10 @@
 #include "I2NPProtocol.h"
 #include "Identity.h"
 
+#ifdef USE_UPNP
+#include "UPnP.h"
+#endif
+
 namespace i2p
 {
 namespace transport
@@ -137,6 +141,10 @@ namespace transport
 			uint64_t m_LastInBandwidthUpdateBytes, m_LastOutBandwidthUpdateBytes;	
 			uint64_t m_LastBandwidthUpdateTime;		
 
+#ifdef USE_UPNP
+			UPnP m_UPnP;
+#endif
+
 		public:
 
 			// for HTTP only