Author: Andrew Davis
quiz MDL-25297 fixing quiz messaging issues
http://git.moodle.org/gw?p=moodle.git;a=commit;h=94263cca87d06d1672a59f39c455d7c34c0e01f9
http://github.com/moodle/moodle/commit/94263cca87d06d1672a59f39c455d7c34c0e01f9
+ 2.0 en [emailconfirmsmall,mod_quiz]
+ 2.0 en [messageprovider:confirmation,mod_quiz]
+ 2.0 en [messageprovider:submission,mod_quiz]