Merge branch 'csr_challenge_password' into 'master'

Marius Cramer

2015-07-30 1271ad0e6995d021f5265365d1528709b3b9bb33

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