Drag n Drop on Splash Train Vew

.. because we didn't maintain the currentWindow when
showing blankstate pages the drag and drop functionality
didn't work.

This is kinda key when you have no videos and workouts, its
the simplest way of providing the files needed.

src/MainWindow.cpp

@@ -1587,7 +1587,6 @@ MainWindow::selectAnalysis()
         masterControls->setCurrentIndex(0);
         views->setCurrentIndex(0);
         analWindow->selected(); // tell it!
-        currentWindow = analWindow;
         trainTool->getToolbarButtons()->hide();
 #ifndef Q_OS_MAC
     analButtons->show();
@@ -1602,6 +1601,7 @@ MainWindow::selectAnalysis()
         toolBox->setCurrentIndex(0);
         setStyle();
     }
+    currentWindow = analWindow;
 }
 
 void
@@ -1625,7 +1625,6 @@ MainWindow::selectTrain()
         masterControls->setCurrentIndex(1);
         views->setCurrentIndex(1);
         trainWindow->selected(); // tell it!
-        currentWindow = trainWindow;
         trainTool->getToolbarButtons()->show();
     #ifndef Q_OS_MAC
         analButtons->hide();
@@ -1640,6 +1639,7 @@ MainWindow::selectTrain()
         toolBox->setCurrentIndex(2);
         setStyle();
     }
+    currentWindow = trainWindow;
 }
 
 void
@@ -1661,7 +1661,6 @@ MainWindow::selectDiary()
         masterControls->setCurrentIndex(2);
         views->setCurrentIndex(2);
         diaryWindow->selected(); // tell it!
-        currentWindow = diaryWindow;
         trainTool->getToolbarButtons()->hide();
     #ifndef Q_OS_MAC
         analButtons->hide();
@@ -1673,6 +1672,7 @@ MainWindow::selectDiary()
         gcCalendar->refresh(); // get that signal with the date range...
         setStyle();
     }
+    currentWindow = diaryWindow;
 }
 
 void
@@ -1695,7 +1695,6 @@ MainWindow::selectHome()
         masterControls->setCurrentIndex(3);
         views->setCurrentIndex(3);
         homeWindow->selected(); // tell it!
-        currentWindow = homeWindow;
         trainTool->getToolbarButtons()->hide();
     #ifndef Q_OS_MAC
         analButtons->hide();
@@ -1706,6 +1705,7 @@ MainWindow::selectHome()
         toolBox->setCurrentIndex(3);
         setStyle();
     }
+    currentWindow = homeWindow;
 }
 void
 MainWindow::selectAthlete()
@@ -2537,7 +2537,6 @@ MainWindow::notifyRideSelected() {}
 void
 MainWindow::recordMeasure()
 {
-qDebug()<<"manually record measurements...";
 }
 
 void