Author: Frederic Massart
MDL-39264 chat: Reformat module settings form
http://git.moodle.org/gw?p=moodle.git;a=commit;h=47f0ae5908b1382c844885c03b9b1b06e0ca2df1
http://github.com/moodle/moodle/commit/47f0ae5908b1382c844885c03b9b1b06e0ca2df1
+ 2.5 en [repeattimes,mod_chat]