Reconnect BApplication and trigger reconnect of all BWindows in an application.

* handle bitmap reconnect request in the app server

headers/os/app/Application.h

@@ -122,6 +122,7 @@ private:
 			status_t			_SetupServerAllocator();
 			status_t			_InitGUIContext();
 			status_t			_ConnectToServer();
+			void				_ReconnectToServer();
 			bool				_QuitAllWindows(bool force);
 			bool				_WindowQuitLoop(bool quitFilePanels, bool force);
 			void				_ArgvReceived(BMessage* message);

headers/private/app/AppMisc.h

@@ -29,6 +29,7 @@ thread_id main_thread_for(team_id team);
 
 bool is_app_showing_modal_window(team_id team);
 
+void invalidate_server_port();
 port_id get_app_server_port();
 status_t create_desktop_connection(ServerLink* link, const char* name,
 	int32 capacity);