use Mono.Nat for UPnP port forwarding

- might support more devices
- supports internal and external port mapping
- discover the device only once (at startup)

packaging/package-all.sh

@@ -50,6 +50,9 @@ cp thirdparty/FuzzyLogicLibrary.dll packaging/built
 # SharpFont for FreeType support
 cp thirdparty/SharpFont* packaging/built
 
+# Mono.NAT for UPnP support
+cp thirdparty/Mono.Nat.dll packaging/built
+
 # Copy game icon for windows package
 cp OpenRA.Game/OpenRA.ico packaging/built
 

packaging/windows/OpenRA.nsi

@@ -84,6 +84,7 @@ Section "Client" Client
 	File "${SRCDIR}\OpenRA.Renderer.Null.dll"
 	File "${SRCDIR}\ICSharpCode.SharpZipLib.dll"
 	File "${SRCDIR}\FuzzyLogicLibrary.dll"
+	File "${SRCDIR}\Mono.Nat.dll"
 	File "${SRCDIR}\COPYING"
 	File "${SRCDIR}\HACKING"
 	File "${SRCDIR}\INSTALL"
@@ -91,13 +92,13 @@ Section "Client" Client
 	File "${SRCDIR}\OpenRA.ico"
 	File "${SRCDIR}\Tao.*.dll"
 	File "${SRCDIR}\SharpFont.*.dll"
-		
+
 	!insertmacro MUI_STARTMENU_WRITE_BEGIN Application
 		CreateDirectory "$SMPROGRAMS\$StartMenuFolder"
 		CreateShortCut "$SMPROGRAMS\$StartMenuFolder\OpenRA.lnk" $OUTDIR\OpenRA.Game.exe "" \
 			"$OUTDIR\OpenRA.Game.exe" "" "" "" ""
 	!insertmacro MUI_STARTMENU_WRITE_END
-	
+
 	SetOutPath "$INSTDIR\cg"
 	File "${SRCDIR}\cg\*.fx"
 	SetOutPath "$INSTDIR\glsl"
@@ -263,6 +264,7 @@ Function ${UN}Clean
 	Delete $INSTDIR\OpenRA.Renderer.SdlCommon.dll
 	Delete $INSTDIR\ICSharpCode.SharpZipLib.dll
 	Delete $INSTDIR\FuzzyLogicLibrary.dll
+	Delete $INSTDIR\Mono.Nat.dll
 	Delete $INSTDIR\Tao.*.dll
 	Delete $INSTDIR\SharpFont.*.dll
 	Delete $INSTDIR\COPYING