adding logging for c2 auto sync

rowers/uploads.py

@@ -198,13 +198,17 @@ def do_sync(w, options, quick=False):
         return 0
 
     if do_c2_export:  # pragma: no cover
+        dologging('c2_log.log','Exporting workout to C2 for user {user}'.format(user=w.user.user.id))
         try:
             message, id = c2stuff.workout_c2_upload(
                 w.user.user, w, asynchron=True)
+            dologging('c2_log.log','C2 upload succeeded')
         except NoTokenError:
             id = 0
             message = "Something went wrong with the Concept2 sync"
+            dologging('c2_log.log','C2 no token error')
         except:  # pragma: no cover
+            dologging('c2_log.log','Error C2')
             pass
 
     if do_strava_export:  # pragma: no cover