Only send vulnerability events if the minimum priority is gte to that specified

Fixes #770

static/js/directives/ui/repository-events-table.js

@@ -43,6 +43,18 @@ angular.module('quay').directive('repositoryEventsTable', function () {
         $scope.showNewNotificationCounter++;
       };
 
+      $scope.findEnumValue = function(values, index) {
+        var found = null;
+        Object.keys(values).forEach(function(key) {
+          if (values[key]['index'] == index) {
+            found = values[key];
+            return
+          }
+        });
+
+        return found
+      };
+
       $scope.getEventInfo = function(notification) {
         return ExternalNotificationData.getEventInfo(notification.event);
       };