Pulled out Server API into the NetServer base class, and a few minor changes to get the NetClient API to work well with the WiFly library

hardware/arduino/cores/arduino/NetClient.h

@@ -20,8 +20,6 @@ public:
   virtual void flush() = 0;
   virtual void stop() = 0;
   virtual uint8_t connected() = 0;
-  virtual uint8_t operator==(int) = 0;
-  virtual uint8_t operator!=(int) = 0;
   virtual operator bool() = 0;
 };
 

hardware/arduino/cores/arduino/NetServer.h

@@ -0,0 +1,11 @@
+#ifndef netserver_h
+#define netserver_h
+
+class NetClient;
+
+class NetServer {
+public:
+  virtual void begin() =0;
+};
+
+#endif

libraries/Ethernet/Server.h

@@ -1,19 +1,19 @@
 #ifndef server_h
 #define server_h
 
-#include "Print.h"
+#include "NetServer.h"
 
 class Client;
 
 class Server : 
-public Print {
+public NetServer {
 private:
   uint16_t _port;
   void accept();
 public:
   Server(uint16_t);
   Client available();
-  void begin();
+  virtual void begin();
   virtual void write(uint8_t);
   virtual void write(const char *str);
   virtual void write(const uint8_t *buf, size_t size);