increment Google_Client::LIBVER to 2.2.1 (#1311)
increment Google_Client::LIBVER to 2.2.1 (#1311)


michabbb-backup/google-api-php-client,googleapis/google-api-php-client,eRadical/google-api-php-client,michabbb-backup/google-api-php-client,bshaffer/google-api-php-client