Author: Helen Foster
cap rewording
http://git.moodle.org/gw?p=moodle.git;a=commit;h=df04f0fe3b5cfe73085cd85ff02b3879a9ce7e32
http://github.com/moodle/moodle/commit/df04f0fe3b5cfe73085cd85ff02b3879a9ce7e32
+ 2.0 en [chat:exportparticipatedsession,mod_chat]
+ 2.0 en [chat:exportsession,mod_chat]