Added some basic IPC functionality using wxServer, wxClient and wxConnection.

Added the -blockamount command line option for an example of usage.

headers.h

@@ -24,6 +24,8 @@
 #include <wx/taskbar.h>
 #include <wx/stdpaths.h>
 #include <wx/utils.h>
+#include <wx/ipc.h>
+#include <wx/ipcbase.h>
 #include <openssl/ecdsa.h>
 #include <openssl/evp.h>
 #include <openssl/rand.h>
@@ -102,6 +104,7 @@ using namespace boost;
 #include "market.h"
 #include "uibase.h"
 #include "ui.h"
+#include "ipc.h"
 
 #include "xpm/addressbook16.xpm"
 #include "xpm/addressbook20.xpm"