Author: Mark Nelson
MDL-40908 core_tag: created a 'tag_created' event
http://git.moodle.org/gw?p=moodle.git;a=commit;h=bf2ae267ca9f7d893e2ac19eebd7a83ef243b0be
http://github.com/moodle/moodle/commit/bf2ae267ca9f7d893e2ac19eebd7a83ef243b0be
+ 2.7 en [eventtagcreated,core_tag]