Git commits in Moodle 1.9.10 by jerome mouneyrac

commit a3ed90bb6c31007fe054ea608a354458fbe3c239
Author: jerome mouneyrac <jerome@moodle.com>
Date:   Tue, 05 Oct 2010 09:56:10 +0800
Tag:    v1.9.10

database module MDL-24470 change 'notification' column ('data' table) default and NOT NULL. Update code for restore operation to support old backup with NULL value into 'notification'.