Added new Contiki port.

Contiki can now be built to run as win32 console application on Windows using Microsoft Visual C++ 6.0. The main purpose is easy testing / debugging. Currently there is no network access whatsoever available.
diff --git a/contiki-win32/conf/clock-conf.h b/contiki-win32/conf/clock-conf.h
new file mode 100644
index 0000000..4c6a831
--- /dev/null
+++ b/contiki-win32/conf/clock-conf.h
@@ -0,0 +1,8 @@
+#ifndef __CLOCK_CONF_H__
+#define __CLOCK_CONF_H__
+
+typedef unsigned long clock_time_t;
+
+#define CLOCK_CONF_SECOND CLK_TCK
+
+#endif /* __CLOCK_CONF_H__ */