Author: Charles Fulton
MDL-56100 mod_folder: add support for recent activity
http://git.moodle.org/gw?p=moodle.git;a=commit;h=1de06aa19b2f5c7c4c260421af34bd945a20918c
http://github.com/moodle/moodle/commit/1de06aa19b2f5c7c4c260421af34bd945a20918c
+ 3.2 en [bynameondate,mod_folder]
+ 3.2 en [newfoldercontent,mod_folder]