Author: Paul Holden
MDL-72682 reportbuilder: indicate count of applied report filters.
http://git.moodle.org/gw?p=moodle.git;a=commit;h=3aecdf42ec08e75c1c6a4c26374689d23c45db6e
http://github.com/moodle/moodle/commit/3aecdf42ec08e75c1c6a4c26374689d23c45db6e
+ 4.0 en [filtersappliedx,core_reportbuilder]