Rename M to calibration

Author: leplatrem

resources/M.ass resources/Calibration.assresources/M.ass renamed to resources/Calibration.ass

@@ -1,5 +1,5 @@
 <RCC>
     <qresource prefix="/samples">
-        <file>M.ass</file>
+        <file>Calibration.ass</file>
     </qresource>
 </RCC>

resources/samples.qrc

@@ -508,7 +508,7 @@ void MainWindow::actionOperatorPrintout() {
 
 void MainWindow::actionShowCalibration(bool p_state) {
   if (p_state) {
-    openFile(QString(":/samples/M.ass"));
+    openFile(QString(":/samples/Calibration.ass"));
     m_player->jumpTo(0);
     m_player->enableAutoHide(false); // disable auto-hide for calibration
     actionToggleHide(false);