Author: Marina Glancy
MDL-51132 tags: do not use user tags for tagging courses
http://git.moodle.org/gw?p=moodle.git;a=commit;h=0d1e5456122d188419074176a9c033c3656cbea6
http://github.com/moodle/moodle/commit/0d1e5456122d188419074176a9c033c3656cbea6
+ 3.0 en [course:tag,core_role]
+ 3.0 en [coursetags,core_tag]