Author: Aparup Banerjee
MDL-22970 glossary - perf. improvements in recent activity
http://git.moodle.org/gw?p=moodle.git;a=commit;h=fe1776b9f2de943d856cb48b69bb7d33d0a95edc
http://github.com/moodle/moodle/commit/fe1776b9f2de943d856cb48b69bb7d33d0a95edc
+ 2.0 en [andmorenewentries,mod_glossary]