better treatment of impeller

rowers/nkimportutils.py

@@ -49,6 +49,11 @@ def add_workout_from_data(userid,nkid,data,strokedata,source='nk',splitdata=None
     oarlockSessions = data["oarlockSessions"]
     deviceId = data["deviceId"] # you could get the firmware version
 
+    totalDistance = totalDistanceGps
+    useImpeller = False
+    if speedInput:
+        totdalDistance = totalDistanceImp
+        useImpeller = True
 
     summary = get_nk_allstats(data,strokedata)
 
@@ -87,6 +92,9 @@ def add_workout_from_data(userid,nkid,data,strokedata,source='nk',splitdata=None
         'oarlength': oarLength/100.,
         'summary':summary,
         'oarlockfirmware':oarlockfirmware,
+        'elapsedTime': elapsedTime/1000., # in seconds
+        'totalDistance': totalDistance,
+        'useImpeller': useImpeller
     }
 
     session = requests.session()