Copied files from svn 3.0.5 stable branch (git migration)

Marius Cramer

2013-10-14 992797f73c92b413a7fecff02c27c61b7db55b43

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