Merge branch 'master' into 'stable-3.1'

Marius Burkard

2016-02-12 51e1dde2aa5c31b01f77479fe3fc86dffd2c8f29

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