@CalendarInvitations
 public List<AttendeeRequest> getAttendeeRequests(Profile user) {
   log.info("getAttendeeRequests: " + user.getName());
   return calendarService.getAttendeeRequests(user, false);
 }
 @CalendarInvitationsCTag
 public String getCalendarInvitationsCTag(Profile user) {
   return calendarService.getCalendarInvitationsCTag(user);
 }