Added options to installer to set the ispconfig database username and passw...

tbrehm

2012-01-05 5db034fd3d837f9f6eeea250624e51f72567d8d2

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