Author: Frederic Massart
MDL-36472 files: Improved file area uploads error messages.
http://git.moodle.org/gw?p=moodle.git;a=commit;h=39bb9b1f0005ff7143ed73f31954f435a9da7d56
http://github.com/moodle/moodle/commit/39bb9b1f0005ff7143ed73f31954f435a9da7d56
+ 2.5 en [maxbytes,core_error]
+ 2.5 en [maxareabytes,core_error]
+ 2.5 en [maxareabytesreached,core]
+ 2.5 en [maxbytesforfile,core]