Changed version number for beta release to 3.0.5.4b1

Till Brehm

2014-03-13 7dcd7208990c6e94d23e6fc7e98efaf0a68e4758

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ALTER TABLE  `mail_user` ADD  `autoresponder_subject` VARCHAR(255) NOT NULL DEFAULT 'Out of office reply' AFTER  `autoresponder_end_date`;