use OutputDevice to set fileinfo,

use new connect function,

QtMeshViewer/Header/GeometryEngine.h

@@ -37,16 +37,11 @@ private:
 
 public:
 	void drawGeometry(QOpenGLShaderProgram *program, bool wireframe);
-
-// slots
-public slots:
 	void loadFile(QString filePath);
-	
 
 // signals
 signals:
 	void requestResetView();
 	void requestUpdate();
-	void sendFileInfo(QString name, QVector<Material>* materials, int vertices, int triangle);
 };