Author: John Okely
MDL-28574 webservices: Explain tokens you can edit but can't see
http://git.moodle.org/gw?p=moodle.git;a=commit;h=72e688d7ff6f08cd9c76c1185c8174cae1fdcf97
http://github.com/moodle/moodle/commit/72e688d7ff6f08cd9c76c1185c8174cae1fdcf97
+ 3.4 en [onlyseecreatedtokens,core_webservice]