Feature: Check Db Integrity

- Right now it only checks for duplicate attendances.

brewman/static/scripts/settings.js

@@ -121,6 +121,16 @@ var SettingsController = ['$scope', '$http', 'asDateFilter', '$modal', 'lockInfo
     $scope.products = function ($viewValue) {
         return Product.autocomplete({term: $viewValue, count: 20}).$promise;
     };
+
+    $scope.checkDb = function () {
+        return $http.post('/api/DbIntegrity', {}).
+            success(function (data) {
+                $scope.toasts.push({Type: 'Success', Message: ''});
+            }).
+            error(function (errorMessage) {
+                $scope.toasts.push({Type: 'Danger', Message: errorMessage});
+            });
+    };
 }];
 
 SettingsController.resolve = {