Author: John Okely
MDL-28574 webservices: Add new capability for managing all tokens
http://git.moodle.org/gw?p=moodle.git;a=commit;h=ad2ae6e3dbd2dcfc97883b87a399a57ab3979b38
http://github.com/moodle/moodle/commit/ad2ae6e3dbd2dcfc97883b87a399a57ab3979b38
+ 3.4 en [webservice:managealltokens,core_role]