Merge branch 'greylist_filter' into 'master'

Marius Cramer

2015-02-03 c7397a27fa9fde20a82ad98efd721308a0c968d1

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ALTER TABLE  `sys_session` CHANGE  `session_id`  `session_id` VARCHAR( 64 ) CHARACTER SET latin1 COLLATE latin1_swedish_ci NOT NULL;