Make Module\TwoFactorRecoveryCode::markUsedForUser return false for already used code
Make Module\TwoFactorRecoveryCode::markUsedForUser return false for already used code

- Add PHP Doc in Module\TwoFactorRecoveryCode

fabrixxm/friendica,fabrixxm/friendica,friendica/friendica,tobiasd/friendica,friendica/friendica,tobiasd/friendica,annando/friendica,tobiasd/friendica,friendica/friendica,tobiasd/friendica,fabrixxm/friendica,friendica/friendica,fabrixxm/friendica,tobiasd/friendica,annando/friendica,fabrixxm/friendica,annando/friendica,annando/friendica,annando/friendica,friendica/friendica