Merge branch 'stable-3.1' of git.ispconfig.org:ispconfig/ispconfig3 into st...

Till Brehm

2016-04-22 bdd3acf347ab5bf48fac98f0eed7106cdd4ded3d

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