Created common octave_dock_widget class * octave_dock_widget.h : New class octave_dock_widget with common dock widget methods, slots and signals * file_editor_interface.h: Now inherit from octave_dock_widget, removed common dock widget code * file_editor.h: Now inherit from octave_dock_widget, removed common dock widget code * file_editor.cc: Now inherit from octave_dock_widget, removed common dock widget code * files_dockwidget.h: Now inherit from octave_dock_widget, removed common dock widget code * files_dockwidget.cc: Now inherit from octave_dock_widget, removed common dock widget code * history_dockwidget.h: Now inherit from octave_dock_widget, removed common dock widget code * history_dockwidget.cc: Now inherit from octave_dock_widget, removed common dock widget methods * terminal_dockwidget.h: Now inherit from octave_dock_widget, removed common dock widget code * terminal_dockwidget.cc: Now inherit from octave_dock_widget, removed common dock widget code * module.mk: Added octave_dock_widget

--- a/libgui/src/terminal-dockwidget.h
+++ b/libgui/src/terminal-dockwidget.h
@@ -23,25 +23,21 @@
 #ifndef TERMINALDOCKWIDGET_H
 #define TERMINALDOCKWIDGET_H
 
-#include <QDockWidget>
 #include "QTerminal.h"
+#include "octave-dock-widget.h"
 
-class terminal_dock_widget : public QDockWidget
+class terminal_dock_widget : public octave_dock_widget
 {
   Q_OBJECT
   public:
   terminal_dock_widget (QTerminal *terminal, QWidget *parent = 0);
 
 signals:
-  void active_changed (bool active);
 
 public slots:
-  void handle_visibility_changed (bool visible);
-  /** Slot when floating property changes */
-  void top_level_changed (bool floating);
 
 protected:
-  void closeEvent (QCloseEvent *event);
+
 };