Changes to libretroshare to make the system compile on Mac OSX 10.3

* minor changes to networking headers.
* addition of several virtual destructors (remove warnings)
* switched Makefiles to new system.
* added macosx specific configuration file.
* removed KadC compilation checks.



git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@324 b45a01b8-16f6-495d-af2f-9b41ad6348cc

libretroshare/src/tcponudp/tou.h

@@ -34,7 +34,11 @@
  */
 
 #ifndef WINDOWS_SYS
+
+	#include <sys/types.h>
+	#include <sys/socket.h>
 	#include <netinet/in.h>
+
 #else
 	#include <winsock2.h>
 	#include <ws2tcpip.h>