return relative scores as part of results

knowledge/survey/README.txt

@@ -58,4 +58,4 @@ Grouped Feedback Items
   >>> res = resp01.getGroupedResult()
   >>> for qugroup, fi, score in res:
   ...     print fi.text, round(score, 2)
-  fi02 1.75
+  fi02 0.58

knowledge/survey/questionnaire.py

@@ -105,5 +105,5 @@ class Response(object):
             if scoreMax > 0.0:
                 relScore = score / scoreMax
                 wScore = relScore * len(qugroup.feedbackItems) - 0.00001
-                result.append((qugroup, qugroup.feedbackItems[int(wScore)], wScore))
+                result.append((qugroup, qugroup.feedbackItems[int(wScore)], relScore))
         return result