Added stereo support for TYPE_8UC1 encoding and "Kannala Brandt4" (fisheye) distortion model (OpenLORIS).

include/rtabmap_ros/GuiWrapper.h

@@ -47,6 +47,7 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 namespace rtabmap
 {
 	class MainWindow;
+	class PreferencesDialog;
 }
 
 class QApplication;
@@ -112,6 +113,7 @@ private:
 	void processRequestedMap(const rtabmap_ros::MapData & map);
 
 private:
+	rtabmap::PreferencesDialog * prefDialog_;
 	rtabmap::MainWindow * mainWindow_;
 	std::string cameraNodeName_;
 	double lastOdomInfoUpdateTime_;