NEW:calibration page will pop up with printing errors

Change-Id: Ib9c0b4b09c3f5bce3a2a4e5c337e0965cb998fd7

src/slic3r/GUI/Monitor.hpp

@@ -129,6 +129,7 @@ public:
     void on_sys_color_changed();
     void msw_rescale();
 
+    StatusPanel* get_status_panel() {return m_status_info_panel;};
 	void select_machine(std::string machine_sn);
     void on_update_all(wxMouseEvent &event);
     void on_timer(wxTimerEvent& event);