Author: Juan Leyva
MDL-56092 core_auth: New WS core_auth_confirm_user
http://git.moodle.org/gw?p=moodle.git;a=commit;h=83e4dc179693269b245d86a699dc0e75a2406de5
http://github.com/moodle/moodle/commit/83e4dc179693269b245d86a699dc0e75a2406de5
+ 3.2 en [confirmationnotenabled,core_error]