Images chart update on image drop and import

Image import notifies rideMetadataChanged for the item
Python chart re-evaluates the script on item changes

src/Charts/PythonChart.cpp

@@ -362,6 +362,7 @@ PythonChart::PythonChart(Context *context, bool ridesummary) : GcChartWindow(con
 
         if (ridesummary) {
             connect(this, SIGNAL(rideItemChanged(RideItem*)), this, SLOT(runScript()));
+            connect(context, SIGNAL(rideChanged(RideItem*)), this, SLOT(runScript()));
 
             // refresh when comparing
             connect(context, SIGNAL(compareIntervalsStateChanged(bool)), this, SLOT(runScript()));

src/Core/RideItem.cpp

@@ -1665,6 +1665,8 @@ RideItem::addImage(QString filename)
 
         // make sure it gets saved !
         setDirty(true);
+        // lets others know metadata has changed
+        notifyRideMetadataChanged();
         return true;
     }
     return false;