moved "mount backup_dir" from various plugins to system.inc.php

Florian Schaal

2014-11-06 990ca8a44d72cddc12db503f8e623fb9979e5b45

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