Author: Tim Hunt
MDL-29627 quiz access refactor password check into a generic check page.
http://git.moodle.org/gw?p=moodle.git;a=commit;h=987c2d491ec45c806354963af1819eb85df21a29
http://github.com/moodle/moodle/commit/987c2d491ec45c806354963af1819eb85df21a29
+ 2.2 en [quizpassword,quizaccess_password]