Author: Davo Smith
MDL-33927 Filemanager - enforce the maxfiles limit on form submission
http://git.moodle.org/gw?p=moodle.git;a=commit;h=a32dabc26038861aa6f065a65b0e73a1064cbe86
http://github.com/moodle/moodle/commit/a32dabc26038861aa6f065a65b0e73a1064cbe86
+ 2.4 en [err_maxfiles,core_form]