@Override
    public void configActivated(ApplicationVersions applicationVersions) {
        ApplicationId applicationId = applicationVersions.getId();
        ApplicationState state = getState(applicationId);
        state.setActiveGeneration(applicationVersions.applicationGeneration());
        reloadSuperModel(applicationVersions);
        configActivated(applicationId);
    }
Checks all delayed responses for config changes and waits until all has been answered.
This method should be called when config is activated in the server.
configserver/src/main/java/com/yahoo/vespa/config/server/rpc/RpcServer.java