Fixed crash on android in view sessions

- time formatting wasn't defined
- fixes issue 6

SwimTracker/views/LastSessionsView.js

@@ -180,7 +180,7 @@ async function getFullData(swimTrackerHost, analysisSettings) {
     const da = new DataAnalysis();
     e.analysis = da.analyze(analysisSettings, e.startTime, e.values);
   }
-  console.log("full data", parsed);
+  //console.log("full data", parsed);
   return parsed.reverse();
 }
 
@@ -227,7 +227,7 @@ class LastSessionsView extends React.Component {
             textFirstLine={timeSince(data.item.startTime)}
             laps={(data.item.analysis.peaks.size / this.props.peaksPerLap).toFixed(1)}
             momentum={Math.trunc(data.item.analysis.totalMomentum * this.props.kgFactor / 10 / 60)}
-            activeTime={data.item.analysis.activeTime} />
+            activeTime={Math.round(data.item.analysis.activeTime / 60, 0)} />
         )}
         renderHiddenItem={(data, rowMap) => <SessionCardBehindSwipe onDelete={() => { deleteSession(data.item.name) }} />}
         leftOpenValue={0}