update gui for camera mods

QtMeshViewer/Resources/Resources.qrc

@@ -21,5 +21,8 @@
         <file>light_on.png</file>
         <file>solid.png</file>
         <file>settings.png</file>
+        <file>freeCamera.png</file>
+        <file>orbitalCamera.png</file>
+        <file>walkCamera.png</file>
     </qresource>
 </RCC>

QtMeshViewer/Resources/StyleSheet.txt

@@ -37,6 +37,18 @@ QToolButton#screenshot {
 	image: url(:/images/toolbar/screenshot.png);
 }
 
+QToolButton#freeCamera {
+	image: url(:/images/toolbar/freeCamera.png);
+}
+
+QToolButton#orbitalCamera {
+	image: url(:/images/toolbar/orbitalCamera.png);
+}
+
+QToolButton#walkCamera {
+	image: url(:/images/toolbar/walkCamera.png);
+}
+
 QToolButton#wireframe {
 	image: url(:/images/toolbar/solid.png);
 }

QtMeshViewer/Source/MainWindow.cpp

@@ -102,11 +102,11 @@ void MainWindow::setupWidgets()
 	ui->mainToolBar->addWidget(orbitCamera);
 
 	// Move Camera
-	QToolButton *moveCamera = new QToolButton(this);
-	moveCamera->setObjectName("moveCamera");
-	moveCamera->setToolTip("move camera");
-	connect(moveCamera, &QToolButton::pressed, viewer, &OglViewerWidget::useMoveCamera);
-	ui->mainToolBar->addWidget(moveCamera);
+	QToolButton *walkCamera = new QToolButton(this);
+	walkCamera->setObjectName("walkCamera");
+	walkCamera->setToolTip("walk camera");
+	connect(walkCamera, &QToolButton::pressed, viewer, &OglViewerWidget::useMoveCamera);
+	ui->mainToolBar->addWidget(walkCamera);
 
 	//////////////////////////////////////////////////
 	ui->mainToolBar->addSeparator();