Increased database version to 0.8.11 (new Depth.data2d_max_pts column). Updated how local loop closure detection in space is done. Update GraphViewer with local radius ellipse and current goal node color. MainWindow saving/loading figures automatically accordingly to the previous session saved.

guilib/src/StatsToolBox.h

@@ -94,6 +94,7 @@ public slots:
 
 signals:
 	void menuChanged(const QMenu *);
+	void figuresSetupChanged();
 
 private slots:
 	void plot(const StatItem * stat, const QString & plotName = QString());