added get average for a survey

Author: quipu

www/app/components/xignal/surveyService.js

@@ -6,7 +6,8 @@
 
     function SurveyService($http) {
         var service = {
-            getXignal : getXignal
+            getXignal : getXignal,
+            getSurveyAverage: getSurveyAverage
         };
 
         return service;
@@ -23,5 +24,17 @@
                     return data;
                 });
         }
+        function getSurveyAverage(id) {
+            var url = 'http://onequickq.azurewebsites.net/responses/average/' + id;
+            var headers = {"Content-Type": "application/json; charset=utf-8"};
+            return $http({method: 'GET', url: url, headers: headers})
+                .success(function (data, status, headers, config) {
+                    console.log("Data: ", data);
+                    return data;
+                })
+                .error(function (data) {
+                    return data;
+                });
+        }
     }
 })();