Author: Petr Škoda
MDL-44609 add component column to the scheduled task table
http://git.moodle.org/gw?p=moodle.git;a=commit;h=b2ad7813495d7bfb2c428870f54d4f6c082901e6
http://github.com/moodle/moodle/commit/b2ad7813495d7bfb2c428870f54d4f6c082901e6
+ 2.7 en [component,tool_task]
+ 2.7 en [corecomponent,tool_task]