Author: Eloy Lafuente (stronk7)
MDL-29993 filters - new filter/data filter replacement for legacy mod/data/filter.
http://git.moodle.org/gw?p=moodle.git;a=commit;h=350f973d38867b408039c447744011523512c0a0
http://github.com/moodle/moodle/commit/350f973d38867b408039c447744011523512c0a0
+ 2.2 en [filtername,filter_data]