Author: David Monllaó
MDL-66694 mod_forum: Word count and char count columns
http://git.moodle.org/gw?p=moodle.git;a=commit;h=74f94dfc26d0df2fdf6bc9684b408be6c3d43c98
http://github.com/moodle/moodle/commit/74f94dfc26d0df2fdf6bc9684b408be6c3d43c98
+ 3.8 en [charcount,forumreport_summary]
+ 3.8 en [wordcount,forumreport_summary]