fixed database_quota_stats-page and add server-name (FS #3791)

Florian Schaal

2015-01-15 a8c50cdf1783a4948e2008a94a2811699a39e20a

1
ALTER TABLE  `sys_session` CHANGE  `session_id`  `session_id` VARCHAR( 64 ) CHARACTER SET latin1 COLLATE latin1_swedish_ci NOT NULL;