Author: gthomas2
MDL-57913 auth_db: Add scheduled task for syncing users
http://git.moodle.org/gw?p=moodle.git;a=commit;h=1b5c0dd8d4a325cb57b68050e2332e0119d574a2
http://github.com/moodle/moodle/commit/1b5c0dd8d4a325cb57b68050e2332e0119d574a2
+ 3.3 en [auth_dbsyncuserstask,auth_db]
+ 3.3 en [auth_dbupdateusers,auth_db]
+ 3.3 en [auth_dbupdateusers_description,auth_db]