Author: Brendan Heywood
MDL-67822 report_performance: Add DB schema check
http://git.moodle.org/gw?p=moodle.git;a=commit;h=fbb36f89770ac0196efa646e55156deeabbaf584
http://github.com/moodle/moodle/commit/fbb36f89770ac0196efa646e55156deeabbaf584
+ 4.0 en [check_dbschema_name,report_performance]
+ 4.0 en [check_dbschema_ok,report_performance]
+ 4.0 en [check_dbschema_errors,report_performance]