Added GSocket for Unix (only GTK for the moment)

Updated wxSocket to use GSocket API
Added a progress bar to client.cpp
Added CopyTo to wxMemoryOutputStream to copy the internal buffer to a specified buffer.
Various changes/fixes to the high-level protocols FTP/HTTP
Various Unicode fixes
Removed sckint.*


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@3085 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/sckipc.h

@@ -63,9 +63,9 @@ protected:
   friend class wxTCPServer;
   friend class wxTCPClient;
   friend void Client_OnRequest(wxSocketBase&,
-			       wxSocketBase::wxRequestEvent, char *);
+			       GSocketEvent, char *);
   friend void Server_OnRequest(wxSocketServer&,
-			       wxSocketBase::wxRequestEvent, char *);
+			       GSocketEvent, char *);
 public:
 
   wxTCPConnection(char *buffer, int size);