Merge branch 'stable-3.1'

Marius Burkard

2016-02-11 a7796bec1be01b51f400e9a3a698535b12b636aa

 install/sql/incremental/upd_0027.sql

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