Author: Stephen Bourget
MDL-55251 mod_chat: Add view permissions
http://git.moodle.org/gw?p=moodle.git;a=commit;h=0f256bc05e3ff99ad2c8b724883dd883de8068e2
http://github.com/moodle/moodle/commit/0f256bc05e3ff99ad2c8b724883dd883de8068e2
+ 3.2 en [chat:view,mod_chat]