Author: Marina Glancy
MDL-40059 glossary: events for add/edit/delete glossary category
http://git.moodle.org/gw?p=moodle.git;a=commit;h=4d7c298f519f6610e49bf310f66aee8bd50c1bd1
http://github.com/moodle/moodle/commit/4d7c298f519f6610e49bf310f66aee8bd50c1bd1
+ 2.7 en [eventcategorycreated,mod_glossary]
+ 2.7 en [eventcategorydeleted,mod_glossary]
+ 2.7 en [eventcategoryupdated,mod_glossary]