Added a communication layer based on raw sockets to the Win32 port.

Note:

- The raw socket layer doesn't support ARP ! Therefor it's not for general use but a means to run, test and debug the uIP code on Win32.

- DNS is totally untested and supposed to be not working.
diff --git a/contiki-win32/win32.dsp b/contiki-win32/win32.dsp
index cfeafd9..6bc6a6f 100644
--- a/contiki-win32/win32.dsp
+++ b/contiki-win32/win32.dsp
@@ -50,7 +50,7 @@
 # ADD BSC32 /nologo
 LINK32=link.exe
 # ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /machine:I386
-# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /machine:I386 /out:"Release/Contiki.exe"
+# ADD LINK32 ws2_32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /machine:I386 /out:"Release/Contiki.exe"
 
 !ELSEIF  "$(CFG)" == "win32 - Win32 Debug"
 
@@ -74,7 +74,7 @@
 # ADD BSC32 /nologo
 LINK32=link.exe
 # ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept
-# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /debug /machine:I386 /out:"Debug/Contiki.exe" /pdbtype:sept
+# ADD LINK32 ws2_32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /debug /machine:I386 /out:"Debug/Contiki.exe" /pdbtype:sept
 
 !ENDIF 
 
@@ -491,6 +491,18 @@
 # PROP Default_Filter ""
 # Begin Source File
 
+SOURCE=".\uip\rawsock-service.c"
+# End Source File
+# Begin Source File
+
+SOURCE=.\uip\rawsock.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\uip\rawsock.h
+# End Source File
+# Begin Source File
+
 SOURCE=.\uip\uip_arch.c
 # End Source File
 # Begin Source File